| Name | Street | Town | State | From | To |
|---|---|---|---|---|---|
| Bell, William H. |   | Washington | DC | 1850s |   |
| Patent | Date | Remarks |
|---|---|---|
| 22,618 | January 18, 1859 | primer for fire-arms Patent drawing Specification Specification 2nd page |
| 27,518 | March 20, 1860 | Uses of the cylinder pin as container for pellet primers Patent drawing Specification Specification 2nd page |
| 228,859 | June 15, 1880 | Patent drawing Patent drawing 2nd page revolving fire-arm Specification Specification 2nd page |
| Contract | for |
|---|---|
|   |   |
| Product |
|---|
| Major William H. Bell worked in the Ordnance Department and was assigned to conduct the trials on Butterfield's priming system, which was applied to muskets in 1858. |