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The Fountain Pen Patent Archive

The instruments that put ink under pressure

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T-head fastener

Line drawing of a dip pen with a clamp-like metal fountain reservoir clipped over the nib, shown from several angles including a full pen view, top, bottom, edge, and cross-section.

DETACHABLE FOUNTAIN OR RESERVOIR FOR PENS.James K. Young · February 14, 1899

United States patent drawings and specifications are works of the U.S. government and are in the public domain — they were never copyrighted. Download them, print them, frame them. Our commentary and descriptions are © 2026 The Fountain Pen Patent Archive.

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