| 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 |
|---|---|
| Product |
|---|
|
Non production was made or is known |
