Patented May 20, 1879
If an object in your hands says PAT. MAY 20, 1879, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 215,479 | IMPROVEMENT IN CARRIAGE-WHEEL WRENCHES. | Nelson R. Pratt | Dover South Mills, Maine |
The Antique Wrench Patent Archive
Every grip the nineteenth century took on a nut
If an object in your hands says PAT. MAY 20, 1879, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 215,479 | IMPROVEMENT IN CARRIAGE-WHEEL WRENCHES. | Nelson R. Pratt | Dover South Mills, Maine |