Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11149710 | Vertical axis wind turbine rotor | — | 2021-10-19 |
| 5111872 | Transmission casing cover with tubular mechanically crimped conduit cast in situ | Rodney A. Diehl, Robert L. Uhrman, Jr., Donald Bradley Campbell | 1992-05-12 |
| 4958537 | Transmission casing cover with tubular conduit cast in situ | Rodney A. Diehl, Robert L. Uhrman, Jr., Donald Bradley Campbell | 1990-09-25 |