190 1 year, the golden camp Gillette invented the double-sided safety razor. The first radio successfully received the broadcast signal. Hubert Booth invented a compact modern vacuum cleaner.
1902, willis carrier invented air conditioning. French physicist George Claude invented neon lights. James Mackenzie invented the polygraph, which is a variety of fluctuation descriptors. The famous teddy bear was born. George Claude also invented neon lights.
Led zeppelin (a rigid airship) was invented by Ferdinand von Zeppelin in 1900. Charles Seeberger redesigned Jesse Renault's escalator and invented the modern escalator.
190 1 year, the golden camp Gillette invented the double-sided safety razor. The first radio successfully received the broadcast signal. Hubert Booth invented a compact modern vacuum cleaner.
1902, willis carrier invented air conditioning. French physicist George Claude invented neon lights. James Mackenzie invented the polygraph, which is a variety of fluctuation descriptors. The famous teddy bear was born. George Claude also invented neon lights.
Edward Binny and Harold Smith invented colored crayons together in 1903. Michael j Owens invented the bottle-making machine. The Wright brothers invented the first manned plane fueled by gasoline. Mary Anderson designed the windshield. William Coolidge invented soft tungsten for light bulbs.
Thomas Sullivan invented teabags in 1904. Benjamin Holt invented the tractor. John a Fleming invented the diode vacuum tube.
1905, Albert Einstein published his famous theory of relativity and gave the equation: E = mc2. Mary Anderson obtained a patent for windshield brushes (car wipers).
1906 William Kellogg invented cornflakes. Lewis Nixon invented the first acoustic locator. Lee Deforest invented the electronic amplifier tube (triode vacuum tube).
1907, Leo Baekeland developed the first synthetic plastic called bakelite. August and Louis Lumiere invented color photography. Paul cornu invented the earliest manned helicopter.
The gyro compass was invented by Elmer A. sperry in 1908. Jacques e Brandenburg invented cellophane. The Ford Model T sedan was first introduced. Geiger and Miller invented Geiger meter. Fritz Haber invented Hubble's method of making artificial nitrate.
1909 G. Washington invented instant coffee.
Thomas Edison first demonstrated the sound film in 19 10. On19101211,George Claude showed the neon lights to the public for the first time.
19 1 1 year, Charles Franklin Kettering invented the first automobile electronic ignition device.
19 12 years, electric cameras came out, replacing hand-held cameras. Dramort, an Australian inventor, patented the first tank. Clarence Klein developed mints (also called comfort candy) in 19 12.
Arthur Wayne invented crossword puzzles. Merck Chemical Company obtained a patent for what is now called hallucinogens. Mary Phelps Jacob invented the bra. Gideon Sundback invented the modern zipper.
Garrett a Morgan invented the Morgan gas mask.
19 15 years, Eugene Sullivan and William Taylor of new york invented heat-resistant glass.
Tuned radio is 19 16, which can receive different radio broadcasts. Henry Bourelly developed stainless steel.
19 17 Gideon Sundback obtained the patent of modern zipper (not the earliest zipper).