The Antique Wrench Patent Archive

Every grip the nineteenth century took on a nut

Patented March 11, 1879

If an object in your hands says PAT. MARCH 11, 1879, it may be one of these.

PatentTitleInventorOf
US 213,026IMPROVEMENT IN WRENCHES FOR INSERTING BUNG-BUSHESDavid AckermanChicago, Illinois

All dates