The Counterfeit Coin Detector Patent Archive

Every device ever patented to catch a bad coin

Patented April 16, 1901

If an object in your hands says PAT. APRIL 16, 1901, it may be one of these.

PatentTitleInventorOf
US 671,948COIN-CONTROLLED CIGAR-VENDING MACHINEOtto BeeseAlton, Illinois

All dates