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William B. Purvis (12 August 1838 – 10 August 1914) [1] was an African-American inventor and businessman who received multiple patents in the late 19th-century. His inventions included improvements on paper bags, an updated fountain pen design, improvement to the hand stamp, and a close-conduit electric railway system.
William Herbert Purvis (November 27, 1858 – December 31, 1950) was a plant collector and investor in a sugarcane plantation on the island of HawaiĘ»i during the late nineteenth century. William Herbert Purvis (also known as Herbert Purvis) was born in Sussex , England.
Lewis Edson Waterman (November 20, 1836 – May 1, 1901) was an American inventor. He held multiple fountain pen patents and was the founder of the Waterman Pen Company.. His entry into fountain pen manufacturing has only recently been properly researched.
Shortly after the death of Penkala in 1922, and before the closure of the main factory in 1937, the investors sold patents for the fountain pen to the German company Günther Wagner (), which led to producing what is considered to be the most popular fountain pen Pelikan 100.
(Bíró's patent, and other early patents on ball-point pens often used the term "ball-point fountain pen," because at the time the ball-point pen was considered a type of fountain pen; that is, a pen that held ink in an enclosed reservoir.) [35] This period saw the launch of innovative models such as the Parker 51, the Aurora 88, the Sheaffer ...
Well, guess he wasn't lumping handwriting capabilities in with his lambasting if there's anything to this patent application for recognizing and processing "ink information" from a pen-based ...