Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875413 | Apparatus for perforating wells | Jerry D. Motley | 1989-10-24 |
| 4817531 | Capsule charge retaining device | Jerry L. Walker, Jerry D. Motley | 1989-04-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875413 | Apparatus for perforating wells | Jerry D. Motley | 1989-10-24 |
| 4817531 | Capsule charge retaining device | Jerry L. Walker, Jerry D. Motley | 1989-04-04 |