| 5595268 |
Fluid actuated friction damper |
— |
1997-01-21 |
| 5570761 |
Velocity responsive fluid actuated friction damper |
— |
1996-11-05 |
| 5364086 |
Composite elastomeric air spring and sealing structure |
— |
1994-11-15 |
| 4979595 |
Fluid actuated friction damper |
— |
1990-12-25 |
| 4957277 |
Tubular elastomeric spring having controllable breakover and spring rate |
— |
1990-09-18 |
| 4886255 |
Suspension strut with selectively controllable differential rebound and jounce damping |
— |
1989-12-12 |
| 4817928 |
Suspension system |
— |
1989-04-04 |
| 4779850 |
Composite spring with suction seal |
Frank F. Smith |
1988-10-25 |
| 4738437 |
Frictionally damped suspension strut |
Frank F. Smith |
1988-04-19 |
| 4662615 |
Suspension strut |
— |
1987-05-05 |
| 4637320 |
Articulated gondola railcar |
John Skilling |
1987-01-20 |
| 4637318 |
Swivelable single axle railcar truck and railcar |
— |
1987-01-20 |
| 4613114 |
Suspension strut |
— |
1986-09-23 |
| 4606442 |
Frictional damping assembly for suspension strut |
Frank F. Smith |
1986-08-19 |
| 4596194 |
Yaw damper for swivelable railcar trucks |
— |
1986-06-24 |
| 4531648 |
Railway car draft gear with slack adjustment and cushioning |
— |
1985-07-30 |
| 4516506 |
Articulated intermodal flatcar |
— |
1985-05-14 |
| 4475722 |
Suspension strut |
John Skilling, Jeffery P. Sandys, E. Frederick Gylland, Jr. |
1984-10-09 |
| 4473216 |
Suspension strut |
John Skilling, Jeffery P. Sandys, E. Frederick Gylland, Jr. |
1984-09-25 |
| 4358096 |
Vehicle suspension system |
John Skilling, Jeffrey P. Sandys, E. Frederick Gylland, Jr. |
1982-11-09 |
| 4356775 |
Damped railway car suspension |
E. Frederick Gylland, Jr., Jeffrey P. Sandys, John Skilling |
1982-11-02 |
| 4352509 |
Damped rubber tired vehicle suspension |
E. Frederick Gylland, Jr., Jeffrey P. Sandys, John Skilling |
1982-10-05 |
| 4274776 |
Depressed center spine piggyback/container railcar |
John Skilling |
1981-06-23 |