Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5404069 | Filament support for incandescent lamps | Ronald J. Olwert, Frederic F. Ahlgren, Donald R. Schindler, Rolf S. Bergman, Gary L. Price +1 more | 1995-04-04 |
| 4499404 | Incandescent lamp with ceramic base | — | 1985-02-12 |