Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5365151 | Gas discharge lamp ballast circuit with frequency modulated pulse control | Norbert Spiegel | 1994-11-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5365151 | Gas discharge lamp ballast circuit with frequency modulated pulse control | Norbert Spiegel | 1994-11-15 |