The Counterfeit Coin Detector Patent Archive

Every device ever patented to catch a bad coin

Patented May 12, 1936

If an object in your hands says PAT. MAY 12, 1936, it may be one of these.

PatentTitleInventorOf
US 2,040,151COIN SELECTOREmmett B. MooreEvanston, Illinois

All dates