What practical item did Osbourn Dorsey invent?
1. Bottle opener
2. Letter opener
3. Door knob
4. Light switch
Door knob
Inventor Osbourn Dorsey designed both the doorknob and the doorstop and successfully obtained a patent for both in the same year.
Who invented fitted sheets?
1. Stephani Steel
2. Brenda Davis
3. Jordan Franklin
4. Bertha Berman
Bertha Berman
In 1959 after Bertha Berman realized that sheets would never stay on mattresses properly, she invented the fitted sheet which attaches elastic to the corners to hold the sheets in place. Her invention is now found in homes, hotels, dormitories, across the world wherever there are beds.
Who invented the mechanical egg beater?
1. Willis Johnson
2. William Jackson
3. Joetta Frank
4. Susan Rivers
Willis Johnson
Although called an egg beater, Willis Johnson actually invented an early mixing machine, for which he obtained a patent in 1884, which had two chambers where eggs could be beaten in one section and batter in another or one section could be cleaned while the other continued beating.
Who invented the modern hairbrush?
1. Henrietta Norwood
2. Marian Thimble
3. Jennifer Kyle
4. Lyda Newman
Lyda Newman
Before Lyda Newman invented her hairbrush, hair brushes were made of animal hair and created scalp diseases and disorders in many people. With her invention, bristles were made of synthetic materials and the brush could be taken apart for cleaning.
Who invented the long-handled dustpan?
1. Sybil Fontaine
2. Brenda Francis
3. Lloyd Ray
4. Raymond Lafayette
Lloyd Ray
In 1897, Lloyd Ray invented an improvement over what was called the “half-brush and shovel” by creating the industrial long-handled dustpan with its steel collection box for trash which made cleaning simpler and more sanitary.
Who is the inventor of the wringing-mop?
1. Thomas Stewart
2. Nathanial Holmes
3. Brandon Gaines
4. James Williams
Thomas Stewart
Thomas Stewart obtained a patent in 1893 for an improvement on the simple mop that would save time and contribute to more sanitary conditions. His invention was a lever that attached to the mop head and which could wring water from the mop head without wetting the hands.
Who invented the gas mask?
1. Garrett Morgan
2. Theodore Malcolm
3. John Love
4. Louis Lattimore
Garrett Morgan
In 1912, Garrett Morgan invented the smoke hood, the first gas mask, which saved many lives. It was first used in 1916 to save many men in the Cleveland, Ohio 1916 tunnel construction disaster. Morgan was also the inventor of the first three-position traffic signal.
What was the important invention of Marie Van Britain Brown?
1. Escalator
2. Sponge hair rollers
3. Security System
4. Pencil Sharpener
Security System
In 1966, Marie Van Britain Brown, with the assistance of her husband, invented the first home security system. Additionally, she is credited with inventing closed circuit television.
Who invented the butter churn?
1. Frederick Blain
2. Albert Richardson
3. Michael Harney
4. Willis Johnston
Albert Richardson
Before Albert Richardson’s invention of the butter churn in 1891, butter was made by stirring cream or milk in a bowl until the solid butter formed. This could take hours, but Richardson’s invention of the plunger churn cut the time down considerably and made butter available and affordable to many more people
Who was the first Black woman to earn a patent for her invention?
1. Judy Reed
2. Sharan Tisdale
3. Gloria Mitchell
4. Lydia Freeman
Judy Reed
Even though Judy W. Reed likely could not write her name, she patented a hand-operated machine for kneading and rolling dough and became the first recorded African American woman inventor.
Who is the inventor of the first clock built in America?
1. Bradford Tanner
2. Benjamin Banneker
3. Benjamin Tanner
4. Garfield Bestman
Benjamin Banneker
In 1752, Benjamin Banneker built a clock entirely out of wood, which was believed to be the first clock built in America and which kept precise time for decades.
George Sampson was responsible for an important improvement of what appliance?
1. Clothes dryer
2. Washing machine
3. The stove
4. The dishwasher
Clothes dryer
Before George Sampson’s improvement of the clothes dryer, clothes were dried by means of a ventilated barrel over an open flame which often left clothes sooty and always smelling like smoke. With his invention a need for an open flame was eliminated and the way was paved for the modern clothes dryer.
Who invented the street letter box?
1. Philip Downing
2. Gilbert Standard
3. Miles Jenkins
4. Myron Street
Philip Downing
Philip B. Downing, known for a number of patents, is also recognized for his invention in 1890 of the street letter box, which is the precursor to the modern postal box seen on corners across the world. Downing’s design featured a simple, four-legged box with a hinged metal door for sending outgoing mail.
Who invented the stainless steel scouring pad?
1. Alfred Benjamin
2. Mabel Styles
3. Betsy Scales
4. Theodore Trip
Alfred Benjamin
Very little is known about Alfred Benjamin of New York except for the information on his patent application for which his patent for the stainless steel scouring pad was granted in June 1962 under U.S. Patent 3039125.
Who was the engineer and businessman best known for his award-winning long-distance airplane?
1. Charles Chaplin
2. David Chappelle
3. Darin Charles
4. Charles Chappelle
Charles Chaplin
In 1911 Charles Ward Chappelle invented an airplane designed to safely travel long distances. As the only African American to participate in the First Industrial Aero Show sponsored by the United States Aeronautical Reserve he exhibited his model which earned him a medal and attracted many investors and business opportunities.
Who obtained patents for the following window accessories: Adjustable Window Cornice, Cornice, Pole Tip, Curtain Rod, and Supporting Bracket?
1. Jane Tilman
2. Theodore Manley
3. Roberta Grier
4. Samuel Scottron
Samuel Scottron
Samuel Raymond Scottron, a prominent inventor N.Y. began his career as a barber, but received his engineering degree from Cooper Union in 1878 and from 1880 to 1893 he obtained patents for all of these window accessories.
Who invented the control unit for the cardiac pacemaker?
1. Marilyn Newsome
2. Raymond Giles
3. Sharon Blackstone
4. Otis Boykin
Otis Boykin
Otis Boykin held 26 patents on various inventions, most of which related to electrical resistors that improved radios, televisions, computers and even missile guidance; but perhaps his most important and life-saving invention was the control unit for the artificial cardiac pacemaker which regulated the heartbeat of the wearer.
Who was the inventor of the portable pencil sharpener?
1. Calvin Preston
2. John Love
3. Stanley Pearson
4. Lee Samuel
John Love
John Lee Love developed the portable pencil sharpener, which he patented in 1897. It was often called the “Love Sharpener”.
Who invented the x-ray spectrometer used to analyze distant galaxies and other deep-space phenomena?
1. George Alcorn
2. Michael Frazier
3. James Malcolm
4. Frederick Allan
George Alcorn
George Edward Alcorn was a physicist whose work in the aerospace industry led him to at least 20 inventions for which he obtained six patents; one of these was the x-ray spectrometer used to analyze distant galaxies and other deep-space phenomena.
Who was the aerospace engineer who worked with the U.S. Air Force and later with NASA and invented the super soaker water gun?
1. Jeffrey Lockett
2. Lonnie Johnson
3. Lorenzo Folley
4. Wilfred Henry
Lonnie Johnson
Lonnie Johnson’s famous super soaker appeared in stores in 1990 and by 1991, it had generated over 200 million dollars. After resolving legal issues with the Hasbro toy manufacturer, to whom he sold the rights, he was paid 73 million in back royalties.
What did Thomas Jennings invent?
1. A process called cold cleaning, a method of using ice to clean wood floors
2. A process called strip filming, a method of cleaning windows
3. A process called dry scouring, a forerunner of modern dry cleaning.
4. A process called map steering, a forerunner to the GPS.
A process called dry scouring, a forerunner of modern dry cleaning.
Thomas Jennings, a free New York Black man who owned and operated a tailoring business, earned a patent in 1821 for a process called dry scouring which is a forerunner of modern dry cleaning.
Who invented the golf tee?
1. Albert Richardson
2. Powell Johnson
3. John Love
4. George Grant
George Grant
George Franklin Grant was not only a Boston dentist and the first African-American professor at Harvard, but his love of golfing motivated him to invent the wooden golf tee in 1899.
Who invented the refrigeration systems used in long-haul trucks and railroad cars?
1. Henry Morris
2. Fredrick Jones
3. Bartholomew Smith
4. Earl Franklin
Fredrick Jones
Frederick McKinley Jones received a patent for his invention of mobile refrigeration in 1939, an invention that made possible the long-haul transportation of perishable goods. For his invention he became the first African American winner of the National Medal of Technology and to be inducted into the National Inventors Hall of Fame.\
Who was awarded a patent for automatically opening and closing elevator doors?
1. Alexander Miles
2. Lewis Johns
3. Terrence Sims
4. Germaine Street
Alexander Miles
Before 1887, elevators were both unsafe and inefficient. Elevator doors and the door shaft had to be closed manually; and if they were not properly closed serious and even deadly accidents occurred. Alexander Miles’ invention enabled the doors and the shaft to be automatically closed by levers and rollers. Some believe he got the idea for automatic doors after his daughter fell down an elevator shaft and died.
Who was the inventor of the improved fountain pen?
1. Lloyd Ray
2. Ray Little
3. Percy Williams
4. William Purvis
William Purvis
Before William B. Purvis invented his improvement on the fountain pen in 1890, the pen could only be used with a bottle of ink nearby since it had to be steadily dipped in the bottle in order to write. Purvis’ pen, however, had a small storage unit or reservoir connected to a tube that could be filled with ink which would then deposit ink through the tip. No longer did writers have to carry bottles of ink with them.
