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Black History Month - African American Inventors

Patent Holders List Index P

By , About.com Guide

William Purvis - Improved Fountain Pen

William Purvis - Improved Fountain Pen

USPTO

O < Pace to Pickett, Pinn to Purvis, > Q

Traverse B Pinn

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)
Walter Purdy
  • #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

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