The Antique Wrench Patent Archive

Every grip the nineteenth century took on a nut

Patented February 25, 1862

If an object in your hands says PAT. FEBRUARY 25, 1862, it may be one of these.

PatentTitleInventorOf
US 34,498IMPROVED SCREW-WRENCH.F. Hollen and A. H. PierceBlairsville, Pennsylvania

All dates