Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5558404 | Adjustable armrest | Norman Everett Muzzy, Eric P. Hansotia | 1996-09-24 |
| 5380964 | Switch assembly | David Joseph Easton, Carl R. Thompson | 1995-01-10 |
| 5249870 | Non-reversible thrust washer | Ralph Westervelt | 1993-10-05 |
| 5060750 | Axle shaft retention structure | — | 1991-10-29 |