Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6770601 | Aphron-containing aqueous well drilling and servicing fluids | — | 2004-08-03 |
| 6739414 | Compositions and methods for sealing formations | Jack C. Cowan, Mike Kilchrist | 2004-05-25 |
| 6716797 | Aphron-containing well drilling and servicing fluids | — | 2004-04-06 |