Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4256417 | Variable stiffness lower joint for pipe riser with fixed bottom | — | 1981-03-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4256417 | Variable stiffness lower joint for pipe riser with fixed bottom | — | 1981-03-17 |