Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4599776 | Element removal tool for system carrying fluid under pressure | Eugene E. Haggard, John Correa, Terrell M. Keene, Wiley C. Calhoun, David L. Taylor +3 more | 1986-07-15 |
| 4573829 | Plastic-pipe locator tool | Terrell M. Keene, Wiley C. Calhoun, Eugene E. Haggard, David L. Taylor, Richard N. Hartley +4 more | 1986-03-04 |