Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703625 | Illuminated push button display | Kerwin Osman | 1997-12-30 |
| 5623854 | Retention and detent spring for control knob | — | 1997-04-29 |
| 5623965 | Low effort vacuum valve assembly with rotary actuator | Curtis Allen Stapert | 1997-04-29 |
| 5596343 | Pushbutton controller with backlit display and switch means | — | 1997-01-21 |