Issued Patents All Time
Showing 26–50 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5882031 | Vehicle suspension system | — | 1999-03-16 |
| 5868418 | Lift mechanism for vehicle suspensions | — | 1999-02-09 |
| 5853183 | Lift mechanism for vehicle suspensions | — | 1998-12-29 |
| 5845919 | Spring beam suspension system | — | 1998-12-08 |
| 5820156 | Vehicle suspension system | — | 1998-10-13 |
| 5791681 | Single beam suspension system | — | 1998-08-11 |
| 5788263 | Suspension system with laminated beams | — | 1998-08-04 |
| 5778798 | Lift axle suspension for large volume trailers | — | 1998-07-14 |
| 5746441 | Center beam suspension system | — | 1998-05-05 |
| 5718445 | Vehicle suspension system | — | 1998-02-17 |
| 5690353 | Suspension system with improved beam | — | 1997-11-25 |
| 5683098 | Suspension system and alignment mechanism therefor | — | 1997-11-04 |
| 5676018 | Landing gear for semitrailers | — | 1997-10-14 |
| 5540454 | Tag axle assembly | Steven R. Miller, Jeffrey A. Russo, David H. Croston | 1996-07-30 |
| 5538225 | Landing gear for semitrailers | — | 1996-07-23 |
| 5505481 | Lift axle suspension system | Lyle Edward Turkson, Terry J. Weyer | 1996-04-09 |
| 5505482 | Road-railer suspension system having a spring lift and a stabilizer bar | — | 1996-04-09 |
| 5417453 | Lightweight flatbed trailer | — | 1995-05-23 |
| 5238266 | Landing gear for semitrailers | — | 1993-08-24 |
| 5199738 | Landing gear for semitrailers | — | 1993-04-06 |
| 4991868 | Vehicle suspension beam pivot connection | — | 1991-02-12 |
| 4783096 | Stacked airbag wheeled vehicle suspension system | John E. Ramsey | 1988-11-08 |
| 4775166 | Vehicle suspension beam-to-axle connection | Jim Eckelberry | 1988-10-04 |
| 4573704 | Internal lift axle suspension system | Jim Eckelberry | 1986-03-04 |
| 4504080 | Leaf spring lift axle suspension system | — | 1985-03-12 |