Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5367228 | High-pressure sodium lamp control circuit providing constant peak current and color | David J. Kachmarik, Douglas M. Rutan | 1994-11-22 |
| 5357173 | Ballast circuit arrangement for a high pressure sodium lamp | David J. Kachmarik | 1994-10-18 |
| 5357174 | Feedback-controlled circuit and method for powering a high intensity discharge lamp | David J. Kachmarik | 1994-10-18 |
| 5341068 | Electronic ballast arrangement for a compact fluorescent lamp | — | 1994-08-23 |