The Counterfeit Coin Detector Patent Archive

Every device ever patented to catch a bad coin

Patented February 8, 1898

If an object in your hands says PAT. FEBRUARY 8, 1898, it may be one of these.

PatentTitleInventorOf
US 598,545VENDING-MACHINEJohn H. VolkmannNew York, New York
US 598,610COIN-CONTROLLED TELEPHONE PAY-STATION.William GrayHartford, Connecticut

All dates