Patents per Year
Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| D344612 | Combined cigarette snuffer and holder | — | 1994-02-22 | |
| 4625851 | Coin testing apparatus | Peter R. Johnson, Derek Hutchinson, Peter J. Reyner | 1986-12-02 | $153,000 |
| 4601380 | Apparatus for checking the validity of coins | Peter J. Reyner, Derek Hutchinson | 1986-07-22 | $227,000 |
| 4546869 | Coin testing apparatus | Peter J. Reyner, Frederic Heiman | 1985-10-15 | $153,000 |
| 4462513 | Testing coins | Paul RAPHAËL | 1984-07-31 | $118,000 |
| 4413718 | Method and apparatus for detecting the presence of a coin in a passageway | — | 1983-11-08 | $129,000 |