Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4800968 | Well apparatus with tubular elevator tilt and indexing apparatus and methods of their use | Daniel G. Shaw | 1989-01-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4800968 | Well apparatus with tubular elevator tilt and indexing apparatus and methods of their use | Daniel G. Shaw | 1989-01-31 |