Patented April 13, 1937
If an object in your hands says PAT. APRIL 13, 1937, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 2,076,862 | DETECTING APPARATUS | William Patzer | New York, New York |
The Counterfeit Coin Detector Patent Archive
Every device ever patented to catch a bad coin
If an object in your hands says PAT. APRIL 13, 1937, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 2,076,862 | DETECTING APPARATUS | William Patzer | New York, New York |