Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6472811 | Coating for a luminescent material | Thomas Justel, Jacqueline Merikhi, Hans Nikol | 2002-10-29 |
| 6469434 | Zinc silicate luminescent materials and related luminescent screen products | Helmut Bechtel, Thomas Justel, Walter Mayr, Hans Nikol | 2002-10-22 |
| 6426589 | Luminescent material coated with a protective layer | Thomas Justel, Hans Nikol, Walter Mayr | 2002-07-30 |
| 6417614 | Low-pressure mercury vapor discharge lamp | Cornelis Johannes Maria Denissen, Volker Weiler | 2002-07-09 |
| 6359385 | Low-pressure mercury vapor discharge lamp with electrode shield | Cornelis Johannes Maria Denissen, Wilhelmus M. P. Van Kemenade, Henricus Gubbels | 2002-03-19 |