Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7032935 | Self energizing connector | David Levy | 2006-04-25 |
| 5168933 | Combination hydraulic tubing hanger and chemical injection sub | John J. Pritchard, Jr. | 1992-12-08 |
| 4553776 | Tubing connector | — | 1985-11-19 |