| Name | Street | Town | State | From | To |
|---|---|---|---|---|---|
| Hahn, William |   | New York City | New York | 1858 | 1870 |
| Patent | Date | Remarks |
|---|---|---|
|   |   |   |
| Contract | for |
|---|---|
|   |   |
| Product |
|---|
|
.41 caliber percussion, single shot pistol .50 caliber percussion, target riffle, heavy octagonal barrel |