Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5568368 | Square-wave converters with soft voltage transitions for ac power distribution systems | Robert Louis Steigerwald | 1996-10-22 |
| 5446350 | Impedance matching circuit for an electrodeless fluorescent lamp ballast | Sayed-Amr El-Hamamsy, David O. Wharmby, Louis R. Nerone | 1995-08-29 |
| 4922404 | Method and apparatus for gating of synchronous rectifier | Gerhard Franz | 1990-05-01 |