1991 Bernard Castro, patented convertible couch, dies at 87
1983 Cryptographic Communications System and Method (RSA) patented
1980 Supreme Court rules new forms of life created in labs could be patented
1978 1st "micro on a chip" patented by Texas Instruments
1975 Dog spectacles patented in England
1955 1st prototype of hovercraft patented by British eng Christoper Cockerell
1945 Microwave oven patented
1945 1st ball point pen goes on sale, 57 years after it is patented
1938 Electronic television system patented by V. K. Zworykin
1938 Chlorophyll patented by Benjamin Grushkin
1937 Plow for laying submarine cable patented
1935 Spectrophotometer patented, AC Hardy
1932 Pump patented that computes quantity and price delivered
1932 Camera exposure meter patented, W. N. Goodwin
1931 Coaxial cable patented
1931 1st rocket-powered aircraft design patented, Robert Goddard
1930 Check photographing device patented
1928 Fathometer, which measures underwater depth, patented
1928 1st fully automatic photographic film developing machine patented
1926 Gas refrigerator patented
1925 Water skis patented by Fred Waller
1924 Ice cream cone rolling machine patented by Carl Taylor, Cleveland
1922 Eskimo Pie patented by Christian K Nelson of Iowa (not an Eskimo)
1915 Neon Tube sign patented by George Claude
1913 1st modern elastic brassiere patented by Mary Phelps Jacob
1908 Wireless Radio Broadcasting is patented by Nathan B. Stubblefield
1907 3-element vacuum tube patented by Dr. Lee De Forest
1905 Punchboards patented by Charles Brewer and C G Scannell, Chicago
1904 Automobile tire chain patented
1901 H Cecil Booth patented a dust removing suction cleaner
1901 Loop-the-loop centrifugal RR (roller coaster) patented by Ed Prescot
1899 Lawn mower patented
1899 "Asprin" patented by Felix Hoffmann
1899 Rubber heel patented by Humphrey O'Sullivan
1897 Pencil sharpener patented by J L Love
1896 Dial telephone patented
1895 Moving picture projector patented
1894 Pneumatic hammer patented by Charles King of Detroit
1892 Pneumatic automobile tire patented, Syracuse, New York
1892 Book matches are patented by Diamond Match Company
1892 Diamond Match Co patented book matches
1892 1st escalator patented by inventor Jesse W. Reno (New York City)
1892 Bottle cap with cork seal patented by William Painter (Baltimore)
1891 Electric self-starter for automobile patented
1889 1st Computer patented
1888 1st wax drinking straw patented, by Marvin C Stone in Washington D.C.
1887 Monotype type-casting machine patented by Tolbert Lanston, Washington D.C.
1886 1st successful gasoline-driven car patented, Karl Benz, Karlsruhe
1884 Chrome tanning process for leather patented by Augustus Schultz
1882 Electric iron patented by Henry W Seely, New York City
1882 False teeth patented
1881 Player piano patented by John McTammany, Jr. (Cambridge, Mass)
1880 1st cash register patented by James and John Ritty of Dayton Ohio
1880 Flour rolling mill patented (John Stevens of Wisconsin)
1879 1st automatic telephone switching system patented
1877 Color organ (for light shows) patented, by Bainbridge Bishop
1876 1st carpet sweeper patented (Melville Bissell of Grand Rapids, Mich)
1875 Electric dental drill is patented by George F Green
1872 Hydraulic electric elevator patented by Cyrus Baldwin
1871 1st cable car patented, by Andrew S Hallidie (begins service in 1873)
1871 Oleomargarine patented by Henry Bradley, Binghamton, New York
1870 Soda fountain patented by Gustavus Dows
1869 Celluloid patented by John Wesley Hyatt, Albany, New York
1869 Voting machine patented by Thomas A. Edison
1869 Steam power brake patented (George Westinghouse)
1869 1st plastic, Celluloid, patented
1868 Stapler patented in England by C. H. Gould
1868 Refrigerator car patented by William Davis, a fish dealer in Detroit
1867 Refrigerated railroad car patented by J. B. Sutherland
1867 1st barbed wire patented by Lucien B Smith of Ohio
1863 Arthur D Little, U.S., chemist, patented rayon
1863 Fire extinguisher patented by Alanson Crane
1863 Chenille manufacturing machine patented by William Canter, New York City
1863 4 wheeled roller skates patented by James Plimpton of NY
1861 Gatling gun patented
1861 1st moving picture peep show machine is patented by Samuel Goodale
1861 Kinematoscope patented by Coleman Sellers, Phila
1861 Flush toilet patented by Mr. Thomas Crapper (Honest!)
1861 Steam elevator patented by Elisha Otis
1859 Elevator patented
1858 Pencil with attached eraser patented by Hyman L. Lipman
1858 Streetcar patented (E A Gardner of Philadelphia)
1856 Tin-type camera patented by Hamilton Smith, Gambier, Ohio
1855 Bessemer steelmaking process patented
1854 Self-governing windmill patented (Daniel Halladay)
1853 Envelope-folding machine patented by Russell Hawes, Worcester, Mass
1850 Self deodorizing fertilizer patented in England
1850 Adding machine employing depressible keys patented, New Paltz, New York
1849 Gas mask patented by Lewis Haslett, Louisville, Kentucky
1849 Safety pin patented by Walter Hunt (New York City); sold rights for $100
1845 Rubber band patented by Stephen Perry of London
1843 Manila paper (made from sails, canvas and rope) patented, Mass
1842 1st known sewing machine patented in U.S., John Greenough, Washington D.C.
1841 Life preservers made of cork are patented by Napoleon Guerin (New York City)
1841 Samuel Slocum patented the stapler
1841 Cornstarch patented (Orlando Jones)
1839 Steam shovel patented by William Otis, Philadelphia
1837 Steam-powered threshing machine patented, Winthrop, Maine
1837 1st U.S. electric printing press patented by Thomas Davenport
1834 George Eastman patented paper-strip photographic film
1834 Hardhat diving suit patented by Leonard Norcross, Dixfield, Maine
1834 Sandpaper patented by Isaac Fischer Jr, Springfield, Vermont
1824 Washing machine patented by Noah Cushing of Quebec
1813 Rubber is patented
1806 Carbon paper patented in London by inventor Ralph Wedgewood
1803 Apple parer patented by Moses Coats, Downington, Pennsylvania
1792 Toilet that flushes itself at regular intervals is patented
1776 Charles Macintosh, Scotland, patented waterproof fabric
1766 1st fire escape patented, wicker basket on a pulley and chain
1714 Typewriter patented by Englishman Henry Mill (built years later)
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