Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6916271 | Method and apparatus for calibrating a marine trolling valve | Timothy Booth, David L. Zwetz, II | 2005-07-12 |
| 6853891 | Low speed shift strategy for marine engines | David L. Zwetz, II | 2005-02-08 |