Patented May 14, 1878
If an object in your hands says PAT. MAY 14, 1878, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 203,719 | IMPROVEMENT IN COUNTERFEIT-COIN DETECTER AND COIN-RECEIVER. | Samuel A. Field | Philadelphia, Pennsylvania |
The Counterfeit Coin Detector Patent Archive
Every device ever patented to catch a bad coin
If an object in your hands says PAT. MAY 14, 1878, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 203,719 | IMPROVEMENT IN COUNTERFEIT-COIN DETECTER AND COIN-RECEIVER. | Samuel A. Field | Philadelphia, Pennsylvania |