Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE46112 | Dual lobe airspring | Michael L. Crabtree | 2016-08-16 |
| 6386523 | Dual lobe airspring | Michael L. Crabtree | 2002-05-14 |
| 5918863 | Side load compensating airspring for a vehicle suspension and method | Michael L. Crabtree | 1999-07-06 |
| 5752692 | Side load compensating airspring strut | Michael L. Crabtree | 1998-05-19 |
| 4571216 | Variable speed belt driven transmission system and method | John P. Dolan, Wm. Spencer Worley, Goran Gerbert | 1986-02-18 |
| 4534232 | Alternating rotary to reciprocating actuator | — | 1985-08-13 |
| 4534748 | Variable speed belt driven transmission system and method | John P. Dolan, W. Spencer Worley, III, Goran Gerbert | 1985-08-13 |
| 4493221 | Variable speed, belt driven transmission system, speed sensing driver pulley and method | John P. Dolan, W. Spencer Worley, III, Tristan D. Juergens | 1985-01-15 |