Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831359 | Four quadrant touch pad | — | 1989-05-16 |
| 4827195 | Motor control system for directing multiple devices | Mary C. O'Brien | 1989-05-02 |
| 4716344 | Microprocessor controlled lighting system | Mary C. O'Brien | 1987-12-29 |
| 4661201 | Preferential etching of a piezoelectric material | Petros Petridis, Keneth D. Hartman | 1987-04-28 |
| D264779 | Chair | Jerry A. Wenger, Harvey M. Urch, Logan Johnson | 1982-06-08 |
| 4306750 | Musician's chair | Jerry A. Wenger | 1981-12-22 |