The Counterfeit Coin Detector Patent Archive

Every device ever patented to catch a bad coin

Patented March 31, 1931

If an object in your hands says PAT. MARCH 31, 1931, it may be one of these.

PatentTitleInventorOf
US 1,798,289COIN-SELECTING DEVICEJoy V. Wigle and John E. ReeceChattanooga, Tennessee

All dates