| Name | Street | Town | State | From | To |
|---|---|---|---|---|---|
| Duckworth, James | Springfield | Massachusetts | 1890s |
| Patent | Date | Remarks |
|---|---|---|
| Contract | for |
|---|---|
| Product |
|---|
|
I belief his main business was not in firearms. There is a bicycle brand under such name.
But in the 1890s he manufactured the
Protector Palm or Squeezer Pistol for Minneapolis Firearms Company |
