Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4368929 | Sealed track belt arrangement | Marvin E. Beyers, Anthony E. Kirn | 1983-01-18 |
| 4290990 | Method of forming the mounting portion of a sidewall protector | Richard W. Kizer, Arlynn W. Anderson | 1981-09-22 |
| 4247275 | Apparatus of forming the mounting portion of a sidewall protector | Richard W. Kizer, Arlynn W. Anderson | 1981-01-27 |
| 4208029 | Core apparatus | — | 1980-06-17 |
| 4181169 | Rim constructions | Charles E. Grawey, Keith E. Koch | 1980-01-01 |