| RE38858 |
Frictionally driven belted work machine |
Charles E. Grawey, Robert J. Grob |
2005-11-01 |
| RE37174 |
Frictionally driven belted work vehicle |
Charles E. Grawey, Robert J. Grob |
2001-05-15 |
| 5676436 |
Positive drive endless rubber belted track |
— |
1997-10-14 |
| 5363936 |
Frictionally driven belted work vehicle |
Charles R. Grawey, Robert J. Grob |
1994-11-15 |
| 5279378 |
Frictionally driven belted work vehicle |
Charles E. Grawey, Robert J. Grob |
1994-01-18 |
| D309314 |
Endless belt for a belted vehicle |
Charles E. Grawey, Robert J. Grob |
1990-07-17 |
| D302017 |
Endless belt for a track vehicle |
Charles E. Grawey, Robert J. Grob |
1989-07-04 |
| D298632 |
Idler wheel for a track vehicle |
Charles E. Grawey, Robert J. Grob |
1988-11-22 |
| D298540 |
Driver wheel for a track vehicle |
Charles E. Grawey, Robert J. Grob |
1988-11-15 |
| 4531787 |
Debris deflector for endless track system |
Wayne A. Klopfenstein |
1985-07-30 |
| 4411447 |
Vehicle suspension system |
— |
1983-10-25 |
| 4343338 |
Tire cooling system and method |
— |
1982-08-10 |
| 4262556 |
Drive mechanism |
— |
1981-04-21 |
| 4248447 |
Vehicle suspension system |
— |
1981-02-03 |
| 4230341 |
Vehicle suspension system |
Thomas C. Meisel, Jr. |
1980-10-28 |
| 4186814 |
Motor grader roadwheel arrangement |
— |
1980-02-05 |
| 4186815 |
Suspension and drive for tandem wheel vehicle |
— |
1980-02-05 |
