The Counterfeit Coin Detector Patent Archive

Every device ever patented to catch a bad coin

Patented June 30, 1908

If an object in your hands says PAT. JUNE 30, 1908, it may be one of these.

PatentTitleInventorOf
US 892,369COIN-SORTING MECHANISMCharles E. DellenbargerChicago, Illinois

All dates