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Zepell spent 9-years trying to promote his pen inventions, including a ballpoint pen with a rocking side clip that retracted and extended the writing point. To fasten the pen in a shirt pocket, the clip had to be moved outward from the barrel, automatically retracting the ballpoint, which prevented the pen's ink from leaking in a shirt pocket.
A fountain pen is a writing instrument that uses a metal nib to apply water-based ink, or special pigment ink—suitable for fountain pens—to paper.It is distinguished from earlier dip pens by using an internal reservoir to hold ink, eliminating the need to repeatedly dip the pen in an inkwell during use.
A pen is a handheld device used to apply ink to a surface, usually paper, for writing or drawing. [1] Additional types of specialized pens are used in specific types of applications and environments such as in artwork, electronics, digital scanning and spaceflight, and computing.
In 1942 the company was primarily focused for the Tokyo Weapons Company involved in the manufacture of fighter planes. The pen business Nakaya Seisakusho was renamed Platinum Fountain Pen Company Ltd. This changed in 1952 to Platinum Industry Company after a challenge from a British company of the same name, [3] but reverted in 1962.
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.
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.
The first model was produced in 1921 and was a large pen – 5.5 inches long when capped. It was made of a showy bright red hard rubber and expensively priced at $7.00, equivalent to $120 in 2023. The original full-sized Duofold was soon joined by the smaller Duofold Junior, Duofold Special, and Lady Duofold.
In 1888 he founded the Parker Pen Company and the next year he received his first fountain pen patent. By 1908, his factory on Main Street in Janesville was reportedly the largest pen manufacturing facility in the world. Parker eventually became one of the world's premier pen brands, and one of the first brands with a global presence.
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