Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4630564 | Boom control device for a sailboat boom | Donald Duckman, Kjell Andren | 1986-12-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4630564 | Boom control device for a sailboat boom | Donald Duckman, Kjell Andren | 1986-12-23 |