Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5795199 | Propeller drive for watercraft | Hansjorg Klante | 1998-08-18 |
| 5141456 | Water craft with guide fins | Jürgen Wessel | 1992-08-25 |
| 4959032 | Water craft with guide fins | Jürgen Wessel | 1990-09-25 |
| 4843989 | Ship's hull for small vessels and high speeds | — | 1989-07-04 |