Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4460003 | Coin presence sensing apparatus | Elwood E. Barnes | 1984-07-17 | $114,000 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4460003 | Coin presence sensing apparatus | Elwood E. Barnes | 1984-07-17 | $114,000 |