| Name | Street | Town | State | From | To |
|---|---|---|---|---|---|
| Mayall, Thomas J. |   | Roxbury | Massachusetts /td> | 1860s |   |
| Patent | Date | Remarks |
|---|---|---|
| 37,004 | November 25, 1862 | Patent drawing |
| Contract | for |
|---|---|
|   |   |
| Product |
|---|
|
Interchangeable cylinder to allow percussion of rimfire ammunition. Only 2 are known. and
are .32 caliber. Revolving cannon which was tried during the Civil War. |