Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5393810 | Method and composition for breaking crosslinked gels | Phillip C. Harris | 1995-02-28 |
| 5372732 | Delayed release borate crosslinking agent | Phillip C. Harris | 1994-12-13 |