Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838219 | Curved intake duct having improved flow characteristics | — | 1989-06-13 |
| 4834214 | Muffler for an internal combustion engine | — | 1989-05-30 |
| 4815706 | Values for improved fluid flow therearound | — | 1989-03-28 |
| 4796426 | High efficiency transition element positioned intermediate multi-cylinder exhaust system and secondary pipe assemblies | — | 1989-01-10 |