Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5646471 | Capped high-pressure discharge lamp | Helmut Tiesler-Wittig | 1997-07-08 |
| 5619102 | Electric lamp | — | 1997-04-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5646471 | Capped high-pressure discharge lamp | Helmut Tiesler-Wittig | 1997-07-08 |
| 5619102 | Electric lamp | — | 1997-04-08 |