Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4468599 | Plug current regulator | William G. Klimmek, Charles E. Konrad | 1984-08-28 |
| 4427930 | Electric vehicle current regulator | William G. Klimmek, Charles E. Konrad | 1984-01-24 |