In _____ decade were the first successful diode and triode vacuum tubes invented ?
In _____ decade were the first successful diode and triode vacuum tubes invented ?
_____ invented Bifocal Lens ?
_____ invented Bifocal Lens ?
_____ plaything was invented by Joe McVicker in 1956 ?
_____ plaything was invented by Joe McVicker in 1956 ?
_____ invented Jet Engine ?
_____ invented Jet Engine ?
The first lawn mower was invented in _____ year ?
The first lawn mower was invented in _____ year ?
_____ now-ubiquitous device was invented by Zenith engineer Eugene Polley in 1955 ?
_____ now-ubiquitous device was invented by Zenith engineer Eugene Polley in 1955 ?
____ invented Electric Generator ?
____ invented Electric Generator ?
Bar code scanners invented in _____ year ?
Bar code scanners invented in _____ year ?
Toothbrush invented was invented in ____ year ?
Toothbrush invented was invented in ____ year ?
_____ groovy item was invented by Englishman Edward Craven Walker in 1963 ?
_____ groovy item was invented by Englishman Edward Craven Walker in 1963 ?
Benjamin Franklin invented ______ ?
Benjamin Franklin invented ______ ?
For over 500 years, paper was only available and sold as single sheets. In 1902, an inventive Australian used half size sheets of paper, a bit of glue and cardboard to create the _____ ?
For over 500 years, paper was only available and sold as single sheets. In 1902, an inventive Australian used half size sheets of paper, a bit of glue and cardboard to create the _____ ?
_____ invented the BALLPOINT PEN ?
_____ invented the BALLPOINT PEN ?
Elisha Otis invented ______ ?
Elisha Otis invented ______ ?
_____ invention was first installed at a Hartford, Connecticut bank in 1889 ?
_____ invention was first installed at a Hartford, Connecticut bank in 1889 ?
Benjamin Franklin was a prolific inventor. He invented the lightning rod, the Franklin stove, studied electricity, discovered the Gulf Stream, started the first library, and on and on. Among his many other inventions _____ musical instrument did he invent ?
Benjamin Franklin was a prolific inventor. He invented the lightning rod, the Franklin stove, studied electricity, discovered the Gulf Stream, started the first library, and on and on. Among his many other inventions _____ musical instrument did he invent ?
William Frederick is credited with the invention of the modern frisbee in the mid 1950's. In 1957 the Wham-O Company bought his idea and the rest is history. They named the toy after William Frisbie was a _____ ?
William Frederick is credited with the invention of the modern frisbee in the mid 1950's. In 1957 the Wham-O Company bought his idea and the rest is history. They named the toy after William Frisbie was a _____ ?
_____ item, originally called the 'Whirlwind', was invented by Ives McGaffey in 1869 ?
_____ item, originally called the 'Whirlwind', was invented by Ives McGaffey in 1869 ?
Beverage was invented by Charles Alderton in 1885 in Waco, Texas was _____ ?
Beverage was invented by Charles Alderton in 1885 in Waco, Texas was _____ ?
_____ toy was invented by Joshua Lionel Cowen around 1900 ?
_____ toy was invented by Joshua Lionel Cowen around 1900 ?
_____ invented the small pox vaccine ?
_____ invented the small pox vaccine ?
James Watt invented ______ ?
James Watt invented ______ ?
_____ invention caused many deaths while testing it ?
_____ invention caused many deaths while testing it ?
Ralph Samuelson was only 18 when he invented this sporting item in 1922. He invented _____ ?
Ralph Samuelson was only 18 when he invented this sporting item in 1922. He invented _____ ?
Blue jeans invented in _____ year ?
Blue jeans invented in _____ year ?
J. B. Dunlop invented ______ ?
J. B. Dunlop invented ______ ?
_____ invention is credited to the Russian born American inventor Vladimir Kosma Zworykin ?
_____ invention is credited to the Russian born American inventor Vladimir Kosma Zworykin ?
_____ drink was invented by Charles Leiper Grigg in 1929 ?
_____ drink was invented by Charles Leiper Grigg in 1929 ?
Where was the yo-yo invented _____ ?
Where was the yo-yo invented _____ ?
Sir Isaac Newton invented _____ ?
Sir Isaac Newton invented _____ ?
The World Wide Web was invented by
The World Wide Web was invented by
_____ system did Paul Nipkow, John Baird, and Charles Jenkins all invent ?
_____ system did Paul Nipkow, John Baird, and Charles Jenkins all invent ?
_____ part-time race car driver invented the bucket seat in 1969 ?
_____ part-time race car driver invented the bucket seat in 1969 ?
____ invented Fountain Pen ?
____ invented Fountain Pen ?
_____ treat was invented by 11-year-old Frank Epperson in 1905 ?
_____ treat was invented by 11-year-old Frank Epperson in 1905 ?
When was the game Frisbee invented ______ ?
When was the game Frisbee invented ______ ?
In _____ decade was the transistor invented ?
In _____ decade was the transistor invented ?
Bakelite invented by _____ ?
Bakelite invented by _____ ?
_____ invented the first controllable flying AEROPLANE (AIRPLANE) ?
_____ invented the first controllable flying AEROPLANE (AIRPLANE) ?
Who invented Slide Rules?
Who invented Slide Rules?
Frank Whittle invented _____ ?
Frank Whittle invented _____ ?
This African-American woman physical therapist worked with soldiers disabled in World War II. She invented _____ device that helped the disabled to eat by delivering food through a tube to a mouthpiece ?
This African-American woman physical therapist worked with soldiers disabled in World War II. She invented _____ device that helped the disabled to eat by delivering food through a tube to a mouthpiece ?
The name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes is ______ ?
The name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes is ______ ?
_____ piece of clothing was invented by French fashion designer Louis Reard in 1946 ?
_____ piece of clothing was invented by French fashion designer Louis Reard in 1946 ?
_____ invention by Garnet Carter made its debut at the Fairyland Inn Resort in Lookout Mountain, Tennessee, in 1927 ?
_____ invention by Garnet Carter made its debut at the Fairyland Inn Resort in Lookout Mountain, Tennessee, in 1927 ?
_____ invented Gunpowder ?
_____ invented Gunpowder ?
Thomas Davenport invented ______ ?
Thomas Davenport invented ______ ?
____ invented Gramophone ?
____ invented Gramophone ?
In _____ decade was the telegraph invented ?
In _____ decade was the telegraph invented ?
______ insurance salesman invented the fountain pen in 1884 ?
______ insurance salesman invented the fountain pen in 1884 ?
Enrico Fermi invented ______ ?
Enrico Fermi invented ______ ?
____ invented Automobiles using gasoline ?
____ invented Automobiles using gasoline ?
Karl Benz invented _____ ?
Karl Benz invented _____ ?
_____ device for new parents did Ann Moore invent in 1969 ?
_____ device for new parents did Ann Moore invent in 1969 ?
_____ was the first American female to patent her invention, a method of weaving straw with silk ?
_____ was the first American female to patent her invention, a method of weaving straw with silk ?
_____ invented the phonograph ?
_____ invented the phonograph ?
_____ African-American inventor received 5 patents in the field of shoemaking ?
_____ African-American inventor received 5 patents in the field of shoemaking ?
Travels over land and water. _____ invented the HOVERCRAFT ?
Travels over land and water. _____ invented the HOVERCRAFT ?
____ item of apparel was invented by Ellery Chun, a Hawaiian clothing merchant, in 1931 ?
____ item of apparel was invented by Ellery Chun, a Hawaiian clothing merchant, in 1931 ?
____ invented the Seed Drill ?
____ invented the Seed Drill ?