Patented March 6, 1883
If an object in your hands says PAT. MARCH 6, 1883, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 273,667 | COIN-TESTER. | Merritt Clarke | Poultney, Vermont |
The Counterfeit Coin Detector Patent Archive
Every device ever patented to catch a bad coin
If an object in your hands says PAT. MARCH 6, 1883, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 273,667 | COIN-TESTER. | Merritt Clarke | Poultney, Vermont |