Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5191179 | Tap selector anti-arcing system | Clarence K. Hess, Jr. | 1993-03-02 |
| 5056377 | Tap selector anti-arcing system | Clarence K. Hess, Jr. | 1991-10-15 |
| 4533798 | Current transfer shunt arrangement | David F. Giegel | 1985-08-06 |