The Counterfeit Coin Detector Patent Archive

Every device ever patented to catch a bad coin

Patented October 6, 1942

If an object in your hands says PAT. OCTOBER 6, 1942, it may be one of these.

PatentTitleInventorOf
US 2,298,009COIN CHUTE DEFLECTORBernhard C. GrunigChicago, Illinois

All dates