The Counterfeit Coin Detector Patent Archive

Every device ever patented to catch a bad coin

Patented October 13, 1903

If an object in your hands says PAT. OCTOBER 13, 1903, it may be one of these.

PatentTitleInventorOf
US 741,080COIN-CONTROLLED TESTING-MACHINE.Santley M. TaylorWashington, District of Columbia

All dates