Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5765595 | Air/vacuum valve throttling apparatus | — | 1998-06-16 |
| 4887629 | Plug valve and method of assembly | A. Kenneth Wilson | 1989-12-19 |
| 4863144 | Plug valve | A. Kenneth Wilson | 1989-09-05 |
| 4739794 | Rotatable valve with anti-cavitation structure | — | 1988-04-26 |
| 4708160 | Post assembly for buried valve having an above ground actuator | Steve M. Sharp, John R. Holstrom, Lorand H. Gain, Jr. | 1987-11-24 |
| 4702275 | Post assembly for a buried valve | Lorand H. Gain, Jr. | 1987-10-27 |