Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6971369 | Pressure assisted governor | Robert K. Mitchell | 2005-12-06 |
| 6584964 | Engine having a centrifugal oil separator | Robert K. Mitchell | 2003-07-01 |
| 5007388 | Hydraulic valve lifter | — | 1991-04-16 |
| 4745895 | Liquid monitoring apparatus | Edward B. Hajec | 1988-05-24 |
| 4181206 | Back-up safety system for machine having rotatable part declutched by dead man control | — | 1980-01-01 |