Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5664526 | Apparatus for separating solid material from cooling water in a marine engine block | Andrew K. Logan, Matthew W. Jaeger, William E. Hughes, David J. Gruenwald | 1997-09-09 |
| 5628285 | Drain valve for a marine engine | Andrew K. Logan, Matthew W. Jaeger, William E. Hughes, David J. Gruenwald, James E. Erickson | 1997-05-13 |