Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6889771 | Selective direct and reverse circulation check valve mechanism for coiled tubing | Lawrence J. Leising, Robert Michael Ramsey, Howard L. McGill | 2005-05-10 |
PS
Peter V. Smith
Overall (2005): #122,823 of 245,428Top 55%
1
Patents 2005