The Counterfeit Coin Detector Patent Archive

Every device ever patented to catch a bad coin

Patented July 23, 1889

If an object in your hands says PAT. JULY 23, 1889, it may be one of these.

PatentTitleInventorOf
US 407,428APPARATUS FOR PREVENTING FRAUD IN VENDING-MACHINESEdward Phipps Appleyard and James JohnsonBolton, England

All dates