Patented July 31, 1906
If an object in your hands says PAT. JULY 31, 1906, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 827,327 | COIN-TESTER FOR SLOT-MACHINES. | Morgan D. Sadtler | Baltimore, Maryland |
The Counterfeit Coin Detector Patent Archive
Every device ever patented to catch a bad coin
If an object in your hands says PAT. JULY 31, 1906, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 827,327 | COIN-TESTER FOR SLOT-MACHINES. | Morgan D. Sadtler | Baltimore, Maryland |