Issued Patents 2002
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6491103 | System for running tubular members | Kenneth Waggener | 2002-12-10 |
| 6484804 | Pumpdown valve plug assembly for liner cementing system | Jack E. Miller | 2002-11-26 |
| 6471439 | Slips for drill pipes or other tubular members | Jack E. Miller | 2002-10-29 |
| 6467546 | Drop ball sub and system of use | Kenneth Waggener | 2002-10-22 |
| 6401824 | Well completion convertible float shoe/collar | Jeffrey D. Musselwhite, Jeffry C. Ehlinger, Jack E. Miller | 2002-06-11 |
| 6390200 | Drop ball sub and system of use | Kenneth Waggener | 2002-05-21 |