| Name | Street | Town | State | From | To |
|---|---|---|---|---|---|
| Austin, Thomas K. | New York City | New York |
| Patent | Date | Remarks |
|---|---|---|
| 21,730 | October 12, 1858 | Improvement in Revolving Fire-Arms view patent |
| Contract | for |
|---|---|
| Product |
|---|
|
Inprovement ot the Pettengill revolver and used in their production. Whether a production tock place is uncertain though a revolver in .25 caliber percussion, 6 shot with brass frame has been reported. |
