| 4342265 |
Convertible rail-highway semi-trailer axle lifting and retaining mechanism |
Alan R. Cripe, Christopher A. Cripe |
1982-08-03 |
| 4342264 |
Convertible rail-highway semi-trailer fluid suspension |
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 |
| 4202454 |
Coupler to connect convertible rail-highway vehicles end to end |
Kenneth A. Browne, Alan R. Cripe |
1980-05-13 |
| 4202276 |
Self-steering wheel-set for convertible railway vehicle |
Kenneth A. Browne, Alan R. Cripe |
1980-05-13 |
| 4202277 |
Convertible rail-highway semi-trailer |
Kenneth A. Browne, Alan R. Cripe |
1980-05-13 |