When was the first lawn mower invented?

When was the first elevator built?

Who invented the battery?

Who discovered the first practical method of freezing food?

Who invented the Seed Drill?

In which decade were the first successful diode and triode vacuum tubes invented?

In which decade was the ARRL founded?

What toy was invented by Joshua Lionel Cowen around 1900?

What groovy item was invented by Englishman Edward Craven Walker in 1963?

What inspired reflecting road lights to be invented?

The Manhattan Project was started by President Roosevelt in 1942 to ensure that the U.S. beat the Germans in developing a nuclear bomb. Whom did Roosevelt appoint as scientific head the Manhattan Project?

What invention caused many deaths while testing it?

Who made corn flakes at first?

When was barb wire patented?

What now ubiquitous device was invented by Zenith engineer Eugene Polley in 1955?

Who is the English physicist responsible for the ‘Big Bang Theory’?

What Thomas Davenport invented?

Who developed the idea of Crop Rotation?

What invention by Garnet Carter made its debut at the Fairyland Inn Resort in Lookout Mountain, Tennessee, in 1927?

What piece of clothing was invented by French fashion designer Louis Reard in 1946?

What Benjamin Franklin invented?

What charge card, developed in 1950, was the first to be accepted nationally in the US?

What device for new parents did Ann Moore invent in 1969?

Where is the village of Branston, after which the famous pickle is named?

Which scientist discovered the radioactive element radium?

Who was the first American female to patent her invention, a method of weaving straw with silk?

Who invented the first controllable flying AEROPLANE (AIRPLANE)?

When was the Raggedy Ann doll patented?

For what does the world owe Almon Strowger a debt of gratitude?

In which decade was the Internet first implemented?

Who invented Gramophone?

What J. B. Dunlop invented?

What drink was invented by Charles Leiper Grigg in 1929?

What African-American inventor received 5 patents in the field of shoemaking?

Who invented the ballpoint pen?

What furniture item was invented by California furniture designer Charles Prior Hall in 1968?

Until Victorian times, chocolate was thought of as a drink. When did the first chocolate bar appear?

What item of apparel was invented by Ellery Chun, a Hawaiian clothing merchant, in 1931?

What invention was first installed at a Hartford, Connecticut bank in 1889?

What Frank Whittle invented?

What type of system did Paul Nipkow, John Baird, and Charles Jenkins all invent?

Who synthesized the first wholly artificial gene?

Who invented Electric Generator?

What beverage was invented by Charles Alderton in 1885 in Waco, Texas?

In which year was MIDI introduced?

What Sir Isaac Newton invented?

In which decade was the first solid state integrated circuit demonstrated?

When was the toothbrush invented?

Who invented Jet Engine?

Ralph Samuelson was only 18 when he invented this sporting item in 1922. What was that?

Who invented Bifocal Lens?

This African-American woman physical therapist worked with soldiers disabled in World War II. She invented a device that helped the disabled to eat by delivering food through a tube to a mouthpiece.

Who invented Dynamite?

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 who was a ________

What invention is credited to the Russian born American inventor Vladimir Kosma Zworykin?

When was Milk Tray first introduced?

In which decade was the transistor 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 what?

Who invented Bakelite?

What plaything was invented by Joe McVicker in 1956?

What James Watt invented?

Who invented Bicycle?

In which decade was the telegraph invented?

The initials JCB on earth-moving equipment are those of the founder of the company that makes it. What is his name?

What treat was invented by 11-year-old Frank Epperson in 1905?

What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes?

Who invented the phonograph?

Who came up with the idea for instant mashed potato?

Who among the following invented the small pox vaccine?

When was the first Lionel trains manufactured?

What ‘game’ was first produced by the Southern Novelty Company in Baltimore, Maryland in 1892?

Who invented Gunpowder?

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, what musical instrument did he invent?

This part-time race car driver invented the bucket seat in 1969. Who was he??

When was the game Frisbee invented?

What Karl Benz invented?

Which insurance salesman invented the fountain pen in 1884?

What item, originally called the ‘Whirlwind’, was invented by Ives McGaffey in 1869?

When were bar code scanners invented?

Which of the following was first patented by an Australian in 1889?

What Enrico Fermi invented?

Who invented Fountain Pen?

Where was the yo-yo invented?

In which decade was the SPICE simulator introduced?

What Elisha Otis invented?

For what is Charles Babbage (1792-1871) remembered?

In which decade was the AEEE (now the IEEE) founded?

When were blue jeans invented?

Who invented Automobiles using gasoline?

It travels over land and water. Who invented the hovercraft?