Patented April 15, 1873
If an object in your hands says PAT. APRIL 15, 1873, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 137,908 | IMPROVEMENT IN SCREW-WRENCHES | David Frank | Allentown, Pennsylvania |
The Antique Wrench Patent Archive
Every grip the nineteenth century took on a nut
If an object in your hands says PAT. APRIL 15, 1873, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 137,908 | IMPROVEMENT IN SCREW-WRENCHES | David Frank | Allentown, Pennsylvania |