Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5657823 | Near surface disconnect riser | Michael J. Mackie, Jeffrey M. McCalla, Hiroichi Hayashi | 1997-08-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5657823 | Near surface disconnect riser | Michael J. Mackie, Jeffrey M. McCalla, Hiroichi Hayashi | 1997-08-19 |