Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8474537 | High capacity wellhead connector having a single annular piston | Robert K. Voss, David W. Hughes, Joseph W. Pallini, Robert N. Rogers, William T. Higgins | 2013-07-02 |