Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5083748 | Radial-directed fluid-pressure-loaded all-metal-sealed gate valve | — | 1992-01-28 |
| 4799692 | Radial pressure flange seal | Wayne Call | 1989-01-24 |
| 4559787 | Vacuum pump apparatus | Wayne Call | 1985-12-24 |
| 4475349 | Continuously pumping and reactivating gas pump | Wayne Call | 1984-10-09 |