| Name | Street | Town | State | From | To |
|---|---|---|---|---|---|
| Holt, Gardner L. | Springfield, Hampden county | Massachusetts | 1873 |
| Patent | Date | Remarks |
|---|---|---|
| 138,157 | April 22, 1873 | Improved in Breech-Loading Fire-Arms - Patent of G. L. Holt & J.C. Marshall Patent drawing Specification |
| Contract | for |
|---|---|
| Product |
|---|
| Inventor of "Boss" marked Single Shot Blank Deringer (Fourth of July pistol). |
