The Padlock Patent Archive

Three centuries of keeping things shut

Patented January 27, 1874

If an object in your hands says PAT. JANUARY 27, 1874, it may be one of these.

PatentTitleInventorOf
US 146,856IMPROVEMENT IN PADLOCKSHerrmann AhrendNewark, New Jersey
US 146,968IMPROVEMENT IN PADLOCKSWilliam WilcoxMiddletown, Connecticut

All dates