Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4712615 | Liner hanger assembly with setting tool | Hiram E. Lindsey, Jr. | 1987-12-15 |
| 4315542 | Mechanical tubing drain | — | 1982-02-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4712615 | Liner hanger assembly with setting tool | Hiram E. Lindsey, Jr. | 1987-12-15 |
| 4315542 | Mechanical tubing drain | — | 1982-02-16 |