Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5313134 | Capped electric lamp for operation at mains voltage and lamp cap unit for use therein | Livio Borgis | 1994-05-17 |
| 5187407 | Electric lamp | Livio Borgis, Peter C. Keim | 1993-02-16 |