Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5834924 | In-rush current reduction circuit for boost converters and electronic ballasts | John G. Konopka, Dennis L. Stephens, Anand K. Upadhyay | 1998-11-10 |
| 5528111 | Ballast circuit for powering gas discharge lamp | John G. Konopka | 1996-06-18 |