Patented October 20, 1891
If an object in your hands says PAT. OCTOBER 20, 1891, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 461,704 | MACHINE FOR THE ASSORTMENT OF COINS. | Henry C. Hart | Detroit, Michigan |
The Counterfeit Coin Detector Patent Archive
Every device ever patented to catch a bad coin
If an object in your hands says PAT. OCTOBER 20, 1891, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 461,704 | MACHINE FOR THE ASSORTMENT OF COINS. | Henry C. Hart | Detroit, Michigan |