Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846446 | Rope tension damper | Paul E. Sullivan | 1989-07-11 |
| 4796862 | Winch compensator | — | 1989-01-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846446 | Rope tension damper | Paul E. Sullivan | 1989-07-11 |
| 4796862 | Winch compensator | — | 1989-01-10 |