Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5551471 | Valve with consumable vent hole seal device | Michael J. Sandling, Edward Scheid, M. R. Ramakrishnan | 1996-09-03 |
| 5326074 | Enhanced sealing arrangement for a rotary valve shaft | Thomas F. Spock, Jr., Steve Kirk | 1994-07-05 |