Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8611057 | LED module for sign channel letters and driving circuit | Francis J. Parker, Emilian Padurariu | 2013-12-17 |
| 8305717 | LED modules for sign channel letters and driving circuit | Francis J. Parker, Emilian Padurariu | 2012-11-06 |
| 7589476 | Power supply for external electrode fluorescent lamps | Francis J. Parker, Emilian Padurariu | 2009-09-15 |
| 7477021 | Non-discontinuous neon power supply with high power factor | Francis J. Parker, Emilian Padurariu | 2009-01-13 |
| 6121732 | Neon lamp power supply for producing a bubble-free discharge without promoting mercury migration or premature core saturation | Francis J. Parker | 2000-09-19 |