Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE32949 | Mold for forming a fiber reinforced composite wheel construction | James A. Woelfel | 1989-06-13 |
| 4809769 | Engine coolant flush-filtering using external gas pressure | Marcel Vataru, Rainer H. Labus | 1989-03-07 |