The Counterfeit Coin Detector Patent Archive

Every device ever patented to catch a bad coin

Patented July 28, 1896

If an object in your hands says PAT. JULY 28, 1896, it may be one of these.

PatentTitleInventorOf
US 564,824COIN-DETECTOR FOR AUTOMATIC VENDING-MACHINES.Alexander JaegerPhiladelphia, Pennsylvania

All dates