Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7587958 | De-Cel dampener method and apparatus | Chris Bortolon | 2009-09-15 |
| 5687830 | Item discrimination apparatus and method | Stephen J. Hayes | 1997-11-18 |
| 5568854 | Coin discrimination method | Stephen J. Hayes | 1996-10-29 |
| 4497980 | Handsfree circuit for telephone instrument | William O. Stottlemyer | 1985-02-05 |