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--Barnum's Animal Crackers 1902, introduced by the National Biscuit Co.
--Model T 1908, by Henry Ford
--Electric Range 1910, by Hotpoint
--Vitamins 1912, by scientists Frederick Hopkins and Casimir Funk
--Brassiere 1914, popularized by Mary Phelps Jacob, a New York City debutante who later sold the patent
--Insulin 1921, by researchers Frederick Grant Banting, Charles Best and colleagues
--Kleenex 1924, first disposable tissue developed by Kimberly-Clark
---Penicillin 1928, developed and first tested by Alexander Fleming
--Strained Baby Food 1928, by Daniel and Dorothy Gerber for Fremont Canning Co (later Gerber)
--Domestic Air Conditioner 1928, by Willis Carrier. Model name: the Weathermaker
--Scotch Tape 1930 developed by Richard Drew at 3M
--Flashbulb 1930, as Photoflash lamps by General Electric
--Alka-Seltzer 1931, by Miles Laboratory (later Bayer Corp.)
--Do-It-Yourself Hair Dye 1931, based on a French product area introduced to US by Lawrence and Joan Gelb, Clairol founders
--Electric Razor 1931, by Col. Jacob Schick, who sold 3,000 the first year
--Stereo System 1931, by Alan Blumlein, working for Britain's EMI
--Tampons 1931, developed by Earl Haas and made by Tampax
--Tape Recorder 1935, at Germany's AEG
--Kodachrome Film 1935, brilliant color film based on invention by two young classical musicians
--Garbage Disposer 1935, called the Disposal, by GE
--Blender 1937, from an idea by big-band leader Fred Waring
--Releasable Ski Binding 1937, by ski racer Hjalmar Hvam after breaking his leg
--Fluorescent Lighting 1938, made commercially by GE
--Ballpoint Pen 1938, designed by Hungarians Ladislao and Georg Biro
--Teflon 1938, invented as coating by DuPont
--Jet Engine 1939 and 1941, independently by German inventor Hans von Ohain and Frank Whittle
--Nylon 1939, by DuPont, at lab led by Wallace Hume Carothers
--Electric Kettle 1940, by Fred Moffatt for Canadian GE; 1855, popularized by Russell Hobbes
--Permanent-Press Fabric 1941, Terylene by John Rex Whinfield
--Velcro 1941, by Swiss engineer George de Mestral, who noted how cockleburs stuck to his socks
--Cake Mix 1940s, by General Mills and Pillsbury Co
--Tupperware 1946, by Earl Tupper
--Automatic Electric Clothes Washer 1947, by GE
--Long-Playing Record 1948, by Peter Carl Goldmark of CBS
--Instant Camera 1948, Polaroid Land Camera by Edwin Land
--Electric Guitar 1948, by C. Leo Fender
--Photocopier 1949, by Haloid (later Xerox), having acquired Chester Carlson's basic xerographic patents
--Color TV 1953, by RCA, whose design beat out CBS
--Reddi-wip 1954, in aerosol can, by Bunnie Lapin
--Portable Home Dishwasher 1954, by GE
--Polio vaccine 1955, by Jonas Salk, approved for use
--Transistor Radio 1955, by Sony
--Frisbee 1957, produced by Wham-O, invented by Walter Frederick Morrison
--LEGO system 1958, children's building blocks introduced by Denmark's Lego Co.
--Hula Hoop 1958, by Wham-O