Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6668935 | Valve for use in wells | Eugene P. McLoughlin, Scott A. Rubinstein, Alexandre Kosmala | 2003-12-30 |
| 6631768 | Expandable shifting tool | Dinesh R. Patel, Dennis M. Read, Jr. | 2003-10-14 |