| Name | Street | Town | State | From | To |
|---|---|---|---|---|---|
| Hartshorn, Isaac | Providence | Rhode Islands | 1863 |
| Patent | Date | Remarks |
|---|---|---|
| 38,042 | March 31, 1863 | Improvement in Breech-Loading Fire-Arms
Patent drawing Patent drawing, 2nd page Patent drawing, 3rd page Specification Specification, 2nd page Specification, 3rd page |
| Contract | for |
|---|---|
| Product |
|---|
|
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