Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852052 | Kelly-to-riser position determining system with adjustment for uncompensated heave | William Stohrer-Hoyt | 1989-07-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852052 | Kelly-to-riser position determining system with adjustment for uncompensated heave | William Stohrer-Hoyt | 1989-07-25 |