Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6570327 | Lamp with safety switch | Stéphane Coffigny | 2003-05-27 |
| 5565734 | Electric incandescent lamp having filament sleeves engaged by envelope constrictions supporting the filament | — | 1996-10-15 |