Patented August 9, 1870
If an object in your hands says PAT. AUGUST 9, 1870, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 106,129 | IMPROVEMENT IN DUPLEX WRENCH | Augustus Ball Davis | Philadelphia, Pennsylvania |
The Antique Wrench Patent Archive
Every grip the nineteenth century took on a nut
If an object in your hands says PAT. AUGUST 9, 1870, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 106,129 | IMPROVEMENT IN DUPLEX WRENCH | Augustus Ball Davis | Philadelphia, Pennsylvania |