Patented May 30, 1939
If an object in your hands says PAT. MAY 30, 1939, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 2,160,751 | COIN SELECTOR | Bert E. Mills | Oak Park, Illinois |
The Counterfeit Coin Detector Patent Archive
Every device ever patented to catch a bad coin
If an object in your hands says PAT. MAY 30, 1939, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 2,160,751 | COIN SELECTOR | Bert E. Mills | Oak Park, Illinois |