Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8881809 | Wireless tag tracer method and apparatus | Michael J. Kilchrist | 2014-11-11 |
| 8397810 | Wireless tag tracer method | Michael J. Kilchrist | 2013-03-19 |
| 7297662 | Method and composition for inhibiting lost circulation during well operation | — | 2007-11-20 |
| 7297663 | Method of decreasing lost circulation during well operations and additive therefor | Michael J. Kilchrist | 2007-11-20 |
| 6976537 | Method for decreasing lost circulation during well operation | — | 2005-12-20 |