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Application dateJune 26, 1884 +
Application number311554 +
Assigned toPaul E. Wirt +
Invented byPaul E. Wirt +
Patent dateFebruary 3, 1885 +
Patent descriptionAlimentatore overfeed +
Patent number311554 +
Patent titleFountain-pen +
Patented byWirt +
Patented inUS +
Priority dateJune 26, 1884 +
Used for featureAlimentatore + and Overfeed +