Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4708395 | Remotely sensing of excavation cavity during mining | John B. Riester | 1987-11-24 |
| 4580725 | Hydraulic monitor protection apparatus | Kenneth E. McBee, II | 1986-04-08 |
| 4554941 | Fluid vibration apparatus | Julian B. Coon | 1985-11-26 |
| 4551041 | Vibration method for unplugging a slurry pipeline | Julian B. Coon | 1985-11-05 |