Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4303225 | Self-tailing winch | Sten Engwall | 1981-12-01 |
| 4252298 | Self-maintaining winches | — | 1981-02-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4303225 | Self-tailing winch | Sten Engwall | 1981-12-01 |
| 4252298 | Self-maintaining winches | — | 1981-02-24 |