Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5344817 | Downhole drilling spotting fluid composition and method | Gale Campbell | 1994-09-06 |
| 5329255 | Thermally compensating microwave cavity | Steve R. Kasten, George J. Purden | 1994-07-12 |