Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11359348 | Excavation bucket with a chain adherent release device | — | 2022-06-14 |
| 11230214 | Dump truck bed with a chain adherent release device | — | 2022-01-25 |
| 4736845 | """Brake/hold down"" plug for computer tape reel closure" | Ross P. Clark, Elsworth L. Urquhart | 1988-04-12 |