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Facts about "Patent-US-807280.pdf"
Application date | March 23, 1905 + |
Application number | 251633 + |
Assigned to | Frank M. Kegrize + |
Invented by | Frank M. Kegrize + |
Patent date | December 12, 1905 + |
Patent description | Sistema di caricamento + |
Patent number | 807280 + |
Patent title | Self filling fountain pen + |
Patented by | Kegrize + |
Patented in | US + |
Priority date | March 23, 1905 + |