Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6769490 | Downhole surge reduction method and apparatus | Jack E. Miller, Andrew M. MacFarlane | 2004-08-03 |
| 6712145 | Float collar | — | 2004-03-30 |
| 6695066 | Surge pressure reduction apparatus with volume compensation sub and method for use | Jack E. Miller | 2004-02-24 |
| 6684957 | Float collar | — | 2004-02-03 |
| 6679336 | Multi-purpose float equipment and method | Jeffrey D. Musselwhite, Jeffry C. Ehlinger, Jack E. Miller | 2004-01-20 |