Issued Patents 1982
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4342264 | Convertible rail-highway semi-trailer fluid suspension | Alan R. Cripe, Christopher A. Cripe | 1982-08-03 |
| 4342265 | Convertible rail-highway semi-trailer axle lifting and retaining mechanism | Alan R. Cripe, Christopher A. Cripe | 1982-08-03 |
| 4316418 | Convertible rail highway semi-trailer air controlled suspension shifting system | Alan R. Cripe, Christopher A. Cripe | 1982-02-23 |
| 4311244 | Automatic coupler to connect convertible rail-highway vehicles end to end | Alan R. Cripe, Christopher A. Cripe | 1982-01-19 |