African American Inventors - Patent Holders Index P

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. O Pace to Pickett, Pinn to Purvis Q Harold Pace #5712899, 1/27/1998, Mobile location reporting apparatus and methods Lionel F Page #2,170,032, 8/22/1939, Auxiliary circulating device for automobile heaters Alice H Parker #1,325,905, 12/23/1919, Heating furnace John Percial Parker #304,552, 9/2/1884, Follower-screw for tobacco presses#318,285, 5/19/1885, Portable screw-press James A Parsons Jr. #1,728,360, 9/17/1929, Iron alloy#1,819,479, 8/13/1931, Method of making silicon iron compounds#1,972,103, 9/4/1934, Process for treating silicon alloy castings#2,200,208, 5/7/1940, Corrosion-resisting ferrous alloy Moses Payne #394,388, 12/11/1888, Horseshoe Robert A Pelham #807,685, 12/19/1905, Pasting device#NA, 1913, Tallying machine John Perry Jr. #3,284,239, 11/8/1966, Biochemical fuel cell (co-inventor Herbert F Hunger) Frank R Perryman #468,038, 2/2/1892, Caterers tray table Charles A Peterson #3,391,903, 7/9/1968, Power generating apparatus Henry Peterson #402,189, 2/30/1889, Attachment for lawn mowers William Henry Phelps #579,242, 3/23/1897, Apparatus for washing vehicles Anthony Phills #5,136,787, 10/3/1991, Ruler template for computer keyboard John F Pickering #643,975, 2/20/1900, Air ship Henry Pickett #152,511, 7/30/1874, Improvement in scaffolds O Pace to Pickett, Pinn to Purvis, Q Traverse B Pinn #231,355, 8/17/1880, File holder William D Polite #1,218,458, 3/6/1917, Gun Austin J Polk #558,103, 4/14/1896, Bicycle support Jessie T Pope #2,409,791, 10/22/1946, Croquignole iron James Hall Porter #3,534,528, 10/20/1970, Gas well sulfur removal by diffusion through polymeric membranes Alfred G B Prather #3,715,011, 2/6/1973, Gravity escape means Frank Rodger Prince #3,637,743, 1/25/1972, Production of 2-pyrrolidones Abraham Pugsley #433,306, 7/29/1890, Blind stop#433,819, 8/5/1890, Shutter worker Samuel Pugsley #357,787, 2/15/1887, Gate latch John E Purdy #405,117, 6/11/1889, Folding chair, (co-inventor Daniel A. Sadgwar)#570,337, 10/27/1896, Device for sharpening edged tools#609,367, 8/16/1898, Device for sharpening edged tools#630,106, 8/1/1899, Device for sharpening edged tools William H Purdy #D 24,228, 4/23/1895, Spoon design (co-inventor Leonard C. Peters) Willam B Purvis #256,856, 4/25/1882, Fastener for bag#273,149, 2/27/1883, Hand stamp#293,353, 2/12/1884, Paper bag machine#419,065, 1/7/1890, Fountain pen#420,099, 1/28/1890, Paper bag machine#519,291, 5/1/1894, Electric railway#539,542, 5/21/1895, Magnetic car balancing device#588,176, 8/17/1897, Electrical railway system Continue black history database Q