Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9376886 | Multiple ramp compression packer | Frank Acosta, Stoney M. Yates, John Key, Nicholas Frederick Budler | 2016-06-28 |
| 6182766 | Drill string diverter apparatus and method | Henry E. Rogers, Millard L. Hallman, Tommy Stewart | 2001-02-06 |