Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873879 | Variable speed transmission | Guenter Neumann, Curt A. Wykstra | 1989-10-17 |
| 4862845 | Variable camshaft timing system | Franklin R. Smith | 1989-09-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873879 | Variable speed transmission | Guenter Neumann, Curt A. Wykstra | 1989-10-17 |
| 4862845 | Variable camshaft timing system | Franklin R. Smith | 1989-09-05 |