The Counterfeit Coin Detector Patent Archive

Every device ever patented to catch a bad coin

Patented January 18, 1944

If an object in your hands says PAT. JANUARY 18, 1944, it may be one of these.

PatentTitleInventorOf
US 2,339,695COIN SELECTORJohn GottfriedSt. Louis, Mo.

All dates