Patented October 22, 1929
If an object in your hands says PAT. OCTOBER 22, 1929, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 1,732,509 | COIN DETECTOR | Benjamin L. Fry | St. Louis, Missouri |
The Counterfeit Coin Detector Patent Archive
Every device ever patented to catch a bad coin
If an object in your hands says PAT. OCTOBER 22, 1929, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 1,732,509 | COIN DETECTOR | Benjamin L. Fry | St. Louis, Missouri |