Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4315544 | Locking device for landing within a well conduit | Sidney J. Littleford | 1982-02-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4315544 | Locking device for landing within a well conduit | Sidney J. Littleford | 1982-02-16 |