| Name | Street | Town | State | From | To |
|---|---|---|---|---|---|
| Slate, John D. |   | Bernardston | Massachusetts | 1870s |   |
| Patent | Date | Remarks |
|---|---|---|
| 204,768 | June 11, 1878 | Improvement in Breech-Loading Fira-Arms Patent drawing Specification Specification 2nd page |
| Contract | for |
|---|---|
|   |   |
| Product |
|---|