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The Fountain Pen Patent Archive

The instruments that put ink under pressure

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Patent drawing of an 1856 fountain pen showing six figures: an assembled pen and case, a cutaway with internal piston and rod, separate case sections, and detailed close-ups of the nib and slide-valve mechanism at the pen tip.

IMPROVED FOUNTAIN-PENHenry A. Brown and James Wiley · February 19, 1856

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