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Facts about "Patent-US-288290.pdf"
Application dateMarch 12, 1883 +
Application number288290 +
Assigned toPaul E. Wirt +
Invented byPaul E. Wirt +
Patent dateNovember 13, 1883 +
Patent descriptionPenna a pennino sdoppiabile +
Patent number288290 +
Patent titleFountain-pen +
Patented byWirt +
Patented inUS +
Priority dateMarch 12, 1883 +