Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4625449 | Knotless paternoster boom | Duncan J. Swinbanks | 1986-12-02 |
| 4615135 | Knotless weight boom | Duncan J. Swinbanks | 1986-10-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4625449 | Knotless paternoster boom | Duncan J. Swinbanks | 1986-12-02 |
| 4615135 | Knotless weight boom | Duncan J. Swinbanks | 1986-10-07 |