Patented February 14, 1933
If an object in your hands says PAT. FEBRUARY 14, 1933, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 1,897,193 | COIN CONTROLLED DEVICE | Louis M. Hall | Fort Thomas, Kentucky |
The Counterfeit Coin Detector Patent Archive
Every device ever patented to catch a bad coin
If an object in your hands says PAT. FEBRUARY 14, 1933, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 1,897,193 | COIN CONTROLLED DEVICE | Louis M. Hall | Fort Thomas, Kentucky |