Patented April 6, 1897
If an object in your hands says PAT. APRIL 6, 1897, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 580,156 | BONUS-DETERMINING DEVICE. | Judson H. Drobisch | Decatur, Illinois |
The Counterfeit Coin Detector Patent Archive
Every device ever patented to catch a bad coin
If an object in your hands says PAT. APRIL 6, 1897, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 580,156 | BONUS-DETERMINING DEVICE. | Judson H. Drobisch | Decatur, Illinois |