Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884401 | Three position dual failure shut-off valve system | Brent A. Klopfenstein | 1989-12-05 |
| 4869106 | Governor checkout apparatus and method | John C. Layer | 1989-09-26 |
| 4867295 | Shock absorbing overtravel stop | Brent A. Klopfenstein | 1989-09-19 |
| 4865269 | Overtravel stop and neutral position lock | — | 1989-09-12 |