The Counterfeit Coin Detector Patent Archive

Every device ever patented to catch a bad coin

Patented February 6, 1934

If an object in your hands says PAT. FEBRUARY 6, 1934, it may be one of these.

PatentTitleInventorOf
US 1,945,529ART OF TESTING COINS OR OTHER TOKENS FOR GENUINENESSFairfield W. HobanNew York, New York
US 1,945,740ART OF TESTING COINS OR OTHER TOKENS FOR GENUINENESSTheodore M. EdisonEast Orange, New Jersey

All dates