Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5894908 | Unitary frame structure | — | 1999-04-20 |
| 5511868 | Booster recoil mechanism for endless track machine | — | 1996-04-30 |
| 4867253 | Dampener for impacting mechanism | Elmer B. Phelps | 1989-09-19 |
| 4560207 | Method and apparatus for fragmenting asphalt | Gerald P. Simmons, Gregory Lincoln Stone | 1985-12-24 |
| 4397173 | Tube expander | Edward R. Horton | 1983-08-09 |