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Facts about "Patent-US-1634618.pdf"
Application dateSeptember 28, 1925 +
Application number59022 +
Assigned toOscar B. Hjorth, William F. Skillen +
Invented byOscar B. Hjorth +
Patent dateJuly 5, 1927 +
Patent descriptionSistema di caricamento +
Patent number1634618 +
Patent titleFountain pen +
Patented byUnbranded +
Patented inUS +
Priority dateSeptember 28, 1925 +
Used for featureVacumatic filler +