Fountain Pen Patent Drawing
by Carlos Diaz
Title
Fountain Pen Patent Drawing
Artist
Carlos Diaz
Medium
Digital Art - Digital Art
Description
Fountain Pen Patent Drawing by Carlos Diaz
William B. Purvis. African-American inventor. He was granted several patents, including for a paper-bag-making machine, hand stamp, electric railway switch, and bag fastener, as well as improvements to the fountain pen. African-American inventor.
Purvis received U.S. Patent 419,065 on January 7, 1890, for his invention. ... Purvis's earliest patent, in 1883, was an improvement to the hand stamp that replenished its own ink. He also patented three designs for the electric railroad, including his final patent in 1897.
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October 21st, 2018
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