| Name | Street | Town | State | From | To |
|---|---|---|---|---|---|
| Tromly, Michael | Mont Vernon | Illinois | 1847 | ||
| Tromly, Michael | Washington D. C | Washington D. C. | 1868 |
| Patent | Date | Remarks |
|---|---|---|
| 13,442 | August 14, 1855 | Improvement in Gun-Locks see patent |
| 18,418 | October 13, 1857 | Locks for Firearms see patent |
| 24,768 | July 12, 1859 | Gun Lock see patent |
| 84,233 | November 17, 1868 | Gun-Lock see patent |
| Contract | for |
|---|---|
| Product |
|---|
|
Tromly got also non fire-arms patents. |
