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Facts about "Patent-US-480751.pdf"
Application date | January 20, 1890 + |
Application number | 337406 + |
Assigned to | William W. Stewart + |
Invented by | William W. Stewart + |
Patent date | August 16, 1892 + |
Patent description | Alimentatore overfeed + |
Patent number | 480751 + |
Patent title | Fountain-pen + |
Patented by | Swan + |
Patented in | US + |
Priority date | January 20, 1890 + |
Used for feature | Alimentatore + and Overfeed + |