Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5961204 | Fluorescent lamp with globe activated dimmer switch | Mark E. Martich, Thomas E. Beling, John M. Ossenmacher | 1999-10-05 |
| 5596247 | Compact dimmable fluorescent lamps with central dimming ring | Mark E. Martich, Thomas E. Beling, John M. Ossenmacher | 1997-01-21 |