The Antique Wrench Patent Archive

Every grip the nineteenth century took on a nut

Patented January 2, 1877

If an object in your hands says PAT. JANUARY 2, 1877, it may be one of these.

PatentTitleInventorOf
US 185,958IMPROVEMENT IN PIPE-WRENCHESCharles Peterson and Anton DunnebakeDetroit, Michigan

All dates