The Counterfeit Coin Detector Patent Archive

Every device ever patented to catch a bad coin

Patented June 21, 1955

If an object in your hands says PAT. JUNE 21, 1955, it may be one of these.

PatentTitleInventorOf
US 2,711,243APPARATUS FOR REJECTING APERTURED COINSJohn GottfriedSt. Louis, Missouri

All dates