| Name | Street | Town | State | From | To |
|---|---|---|---|---|---|
| Birkenhead, John |   | Ilion | New York | 1860s |   |
| Patent | Date | Remarks |
|---|---|---|
| 41,472 | February 9, 1864 | Patent drawing |
| Contract | for |
|---|---|
|   |   |
| Product |
|---|
|
Probably his patent was never utilized by any firearms manufacturer. |