Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6376982 | Electric discharge lamp and luminescent material and compound | Hans Bill, Hans Hagemann | 2002-04-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6376982 | Electric discharge lamp and luminescent material and compound | Hans Bill, Hans Hagemann | 2002-04-23 |