Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE38858 | Frictionally driven belted work machine | Robert J. Grob, Cullen P. Hart | 2005-11-01 |
| RE37174 | Frictionally driven belted work vehicle | Robert J. Grob, Cullen P. Hart | 2001-05-15 |
| 5279378 | Frictionally driven belted work vehicle | Robert J. Grob, Cullen P. Hart | 1994-01-18 |
| 5148077 | Coating surrounding a piezoelectric solid state motor stack | Kurtis C. Kelley | 1992-09-15 |
| 5055734 | Single-piece multiple electrode conductor | L. Ted Johnson, John M. Sloma, John F. Szentes | 1991-10-08 |
| D309314 | Endless belt for a belted vehicle | Robert J. Grob, Cullen P. Hart | 1990-07-17 |
| D302017 | Endless belt for a track vehicle | Robert J. Grob, Cullen P. Hart | 1989-07-04 |
| D298632 | Idler wheel for a track vehicle | Robert J. Grob, Cullen P. Hart | 1988-11-22 |
| D298540 | Driver wheel for a track vehicle | Robert J. Grob, Cullen P. Hart | 1988-11-15 |
| 4695420 | Method of forming a windowed unitary panel | Scot L. Winters | 1987-09-22 |
| 4643249 | Heat exchanger baffle plate | — | 1987-02-17 |
| 4594846 | Track joint and method of assembling same | Richard E. Livesay | 1986-06-17 |
| 4534394 | Wheel assembly having self-contained tire mounting capability | — | 1985-08-13 |
| 4520868 | Heat exchanger | — | 1985-06-04 |
| 4393913 | Tire and wheel configuration | John J. Groezinger | 1983-07-19 |
| 4337814 | Air valve conduit in the track wall of a tire | — | 1982-07-06 |
| 4283366 | Tire curing method | — | 1981-08-11 |
| 4279285 | Apparatus and method for forming a tube article on a core | — | 1981-07-21 |
| 4262704 | High pressure reinforced hydraulic hose | — | 1981-04-21 |
| 4211592 | Method of building a closed tube-tire | — | 1980-07-08 |
| 4181169 | Rim constructions | Robert W. Untz, Keith E. Koch | 1980-01-01 |
| 4181482 | Tire tread forming apparatus | John J. Groezinger, Quentin T. Woods | 1980-01-01 |
| 4181488 | Tire tread forming mold body | John J. Groezinger, Quentin T. Woods | 1980-01-01 |