Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4959588 | Discharge lamp having a discharge vessel made with a ceramic closing member with an indented inner surface | Peter Ferenci | 1990-09-25 |
| 4626743 | High-pressure sodium lamp | — | 1986-12-02 |