Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5320175 | Subsea wellhead connections | Carl G. Langner, William H. Petersen, Ray R. Ayers | 1994-06-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5320175 | Subsea wellhead connections | Carl G. Langner, William H. Petersen, Ray R. Ayers | 1994-06-14 |