Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870392 | Fluid flow restriction warning indicator | Paul R. Hunt | 1989-09-26 |
| 4825821 | Carburetor pulse-back damping system for 2-cycle internal combustion engine | Geoffrey S. Zgorzelski | 1989-05-02 |
| 4809666 | Fuel feed system | — | 1989-03-07 |
| 4800856 | Abrasion resistant roller apparatus for internal combustion engines | Glenn R. Belec | 1989-01-31 |