Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7066253 | Casing shoe | — | 2006-06-27 |
| 5202552 | Data with perimeter identification tag | Warren D. Little | 1993-04-13 |
| 4555002 | Combined spring mount and sectioned cage construction | — | 1985-11-26 |
| 4525173 | Mineral slurries | David A. Brookes, Martin Johnson | 1985-06-25 |
| 4207018 | Fluid pressurizing station for a pipeline conveyor | William B. Hark, Alan Headford, Barry E. A. Jacobs | 1980-06-10 |