| Name | Street | Town | State | From | To |
|---|---|---|---|---|---|
| Hopkins & Allen Manufacturing Company | Norwich | Connecticut | 1868 | 1874 | |
| Hopkins & Allen Manufacturing Company | 48 Franklin Street | Norwich | Connecticut | 1874 | 1884 |
| Hopkins & Allen Manufacturing Company | 132 Franklin Steet | Norwich | Connecticut | 1884 | 1898 |
| Patent | Date | Remarks |
|---|---|---|
| Contract | for |
|---|---|
| Product |
|---|
|
Became Hopkins & Allen Arms Company in 1898 See Hopkins & Allen |
