Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4560906 | Lighting system and compact electric lighting unit | — | 1985-12-24 |
| 4546290 | Ballast circuits for discharge lamp | — | 1985-10-08 |
| 4376905 | Electric lamp provided with a ceramic discharge tube | — | 1983-03-15 |
| 4221987 | High-pressure discharge tube operable in the open air without outer protective envelope | — | 1980-09-09 |