Name | Street | Town | State | From | To |
---|---|---|---|---|---|
Blittkowski, Gustav Adolph, and Hoffman, Frederick William |   | New York City | New York | 1856 | 1857 |
Patent | Date | Remarks |
---|---|---|
14,488 | March 25, 1856 | Improvement in Needle-Guns, joined patent of G.A. Blittkowski and F. W. Hoffmann view patent |
14,710 | April 22, 1856 | Improvement in Revolving Fire-Arms, joined patent of G.A. Blittkowski and F. W. Hoffmann view patent |
17,136 | April 28, 1857 | Improvement in Fire-Arms view patent |
Contract | for |
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  |   |
Product |
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Non production was made or is known |