Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5592897 | Watercraft | Marcus Kattwinkel | 1997-01-14 |
| 5179906 | Watercraft | Marcus Kattwinkel | 1993-01-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5592897 | Watercraft | Marcus Kattwinkel | 1997-01-14 |
| 5179906 | Watercraft | Marcus Kattwinkel | 1993-01-19 |