Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830161 | Fan clutch | John L. Hall, David T. Fenzel | 1989-05-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830161 | Fan clutch | John L. Hall, David T. Fenzel | 1989-05-16 |