Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7541726 | Lamp filament | Jason Li, Heinz W. Sell, Alan Lenef, Raymond T. Fleming, Richard C. Laird | 2009-06-02 |
| 7468576 | Multi-segment filament high output halogen lamp | Victor Cordero Cabrales, Heinz W. Sell, Michael Willacker | 2008-12-23 |