Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869320 | Wellbore packer | — | 1989-09-26 |
| 4811786 | Downhole gaseous liquid flow agitator | D. D. Kennedy, L. J. Lederhos, Jr. | 1989-03-14 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869320 | Wellbore packer | — | 1989-09-26 |
| 4811786 | Downhole gaseous liquid flow agitator | D. D. Kennedy, L. J. Lederhos, Jr. | 1989-03-14 |