Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4828894 | Corrugated plastic board assemblies | — | 1989-05-09 |
| 4824408 | Remotely controlled steering apparatus for outboard trolling motors | Walter P. Aertker, Frank Medica | 1989-04-25 |