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Retrieved from "http://fountainpen.it/File:Patent-US-631909.pdf"
Fatti riguardanti Patent-US-631909.pdf
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Application dateaprile 16, 1898 +
Application number677779 +
Assigned toWilliam W. Stewart +
Invented byWilliam W. Stewart +
Mention patentFile:Patent-US-588708.pdf + e File:Patent-US-588709.pdf +
Patent dateagosto 29, 1899 +
Patent descriptionSistema di caricamento +
Patent number631909 +
Patent titleFountain-pen +
Patented bySwan +
Patented inUS +
Priority dateaprile 16, 1898 +