Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5017972 | Elevator tray position control apparatus | John W. Daughton, Michael L. Shaffer | 1991-05-21 |
| 4872505 | Heat sink for an electronic device | David J. Bulmahn | 1989-10-10 |
| 4572601 | Push-push bayonet lamp socket | Michael J. Fajner, Ronald E. Zepnick | 1986-02-25 |
| 4534551 | Document belt normal force control | — | 1985-08-13 |