Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814964 | Variable speed a-c drive | Colin D. Schauder, Theodore M. Heinrich | 1989-03-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814964 | Variable speed a-c drive | Colin D. Schauder, Theodore M. Heinrich | 1989-03-21 |