Black Inventors - Patent Holders List Index R

Black Inventors - Patent Holders List Index R Black history inventors are listed alphabetically: use the A to Z index bar to navigate and select or just browse the many listings. Each listing has the name of the black inventor followed by the patent number(s) which is the unique number assigned to an invention when a patent is issued, the date the patent was issued, and a description of the invention as written by the inventor. If available, links are provided to in-depth articles, biographies, illustrations and photos on each individual inventor or patent. How to submit to the database. Victor Llewellyn Ransom #3,231,866, 1/25/1966, Traffic data processing system#3,866,185, 2/11/1975, Method and apparatus for gathering peak load traffic data Debrilla M Ratchford #4,094,391, 6/13/1978, Suitcase with wheels and transporting hook Ernest P Ray #620,078, 2/21/1899, Chair supporting device Lloyd P Ray #587,607, 8/3/1897, Dust pan Andre Reboucas NA 1895 approx Torpedo Craig C Redmond, Sr. #6,085,356, 7/11/2000, Waist Band Expander Judy W Reed #305,474, 9/23/1884, Dough kneader and roller Humphrey H Reynolds #275,271, 10/7/1890, Window ventilator for railroad cars#437,937, 4/3/1883, Safety gate for bridges Mary Jane Reynolds #1,337,667, 4/20/1920, Hoisting and loading mechanism Robert Randolph Reynolds #624,092, 5/2/1899, Nonrefillable bottle Jerome Bonaparte Rhodes #639,290, 12/19/1899 Water closet Albert C Richardson #255,022, 3/14/1882, Hame fastener#446,470, 2/17/1891, Churn#529,311, 11/13/1894, Casket-lowering device#620,362, 2/28/1899, Insect destroyer#638,811, 12/12/1899, Bottle William H Richardson #343,140, 6/18/1889, Cotton chopper#405,599, 6/18/1889, Childs carriage#405,600, 6/1/1886, Childs carriage Charles V Richey #584,650, 8/3/1897, Car coupling#587,657, 10/26/1897, Railroad switch#592,448, 12/28/1897, Railroad switch#596,427, 12/13/1898, Fire escape bracket#615,907, 6/3/1913, Combined cot, hammock, and stretcher#1,063,599, 7/7/1931, Telephone register and lock-out device#1,812,984, 2/14/1933, Lockout for outgoing calls for telephone systems#1,897,533 6/15/1897, Time control system for telephones Alvin Longo Rickman #598,816, 2/8/1898, Overshoe James Ricks #338,781, 3/30/1886, Horseshoe#626,245, 6/6/1899, Overshoe for horses Norbert Rillieux #3,237, 8/26/1843, Improvement in sugar works#4,879, 12/10/1846, Sugar processing evaporator Cecil Rivers 6,731,483, 2/14/2003, Circuit breaker with single test button mechanism Louis W Roberts #3,072,865, 1/8/1963, Gaseous discharge device#3,257,620, 6/21/1966, Device for gas amplication by stimulated emission and radiation GASAR#3,377,576, 4/9/1968, Gallium-wetted movable electrode switch Elbert R Robinson #505,370, 9/19/1893, Electric railway trolley#594,286, 11/23/1897, Casting composite or other car wheels Hassel D Robinson #D 66,703, 2/24/1925, Design for a traffic signal casing#1,580,218, 4/13/1926, Traffic signal for automobiles Ira C Robinson #3,577,514, 5/4/1971, Sustained release pharmaceutical tablets James H Robinson #621,143, 3/14/1899, Lifesaving guard for locomotives#623,929, 4/25/1899, Lifesaving guard for street cars John Robinson #356,852, 2/1/1887, Dinner pail Neal Moore Robinson #1,422,479 7/11/1922 Vehicle wheel Arnold Romain #402,035 4/23/1889 Passenger register Raymond E Rose #3,618,388 11/9/1971 Control apparatus Archia L Ross #565,301, 8/4/1896, Runner for stoops#605,343, 6/7/1898, Bag closure#638,068, 11/28/1899, Trousers support or stretcher Joseph Ross #632,539, 9/5/1899, Hay press David N Roston #556,166, 3/10/1896, Feather curler Edwin R Russell #2,855,269, 10/7/1958, The separation of plutonium from uranium and fission products#2,992,249, 7/11/1961, Ion exchange absorption process for plutonium separation#3,296,123, 1/3/1967, Removal of cesium from aqueous solution by ion exchange#3,309,323, 3/14/1967, Thorium oxide or thorium-uranium oxide with magnesium oxide Jesse Eugene Russell #5,930,247, 7/27/1999, Broadband data reception system for Worldnet access#6,044,403, 3/28/2000, Network server platform for Internet, Java server and video application server John Russell #6,968,993, 11/17/2003, Mailbox assembly Joseph L Russell #3,995,011, 11/30/1976, Preparation of tungsten hexafluoride from halogen and hydrogen fluoride Lewis A Russell #544,381, 8/13/1895, Guard attachment for beds Earl Ryder #3,129,095, 4/14/1964, High silicon cast iron