Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5132595 | Filment switch for a lamp ballast | Robert A. Kulka | 1992-07-21 |
| 4897627 | Fluorescent ballast assembly including a strip circuit board | Raymond H. Van Wagener, Robert A. Kulka, Leonard J. Kurgan | 1990-01-30 |