Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6417611 | Phosphor composition comprising an amide group-containing or urethane group-containing organic binder | Friederike Picht, Claus Feldmann, Hans-Otto Jungk, Jacqueline Merikhi, Roel Van De Belt +2 more | 2002-07-09 |
| 6290874 | Display screen comprising a metal oxide-containing phosphor composition | Friederike Picht, Hans-Otto Jungk, Gerard H. J. Van Iersel, Miguel Boutelje, Pierre Cobben +1 more | 2001-09-18 |
| 5998047 | Aluminate phosphor with a polyphosphate coating | Helmut Bechtel, Walter Mayr, Thomas Justel, Hans Nikol, Cornelis Rhonda | 1999-12-07 |
| 5879795 | Luminescent screen containing phosphor particles coated with MoO.sub.3 | Markus Haase, Helmut Bechtel, Joseph Lauter | 1999-03-09 |
| 5760542 | Color display device having short decay phosphors | Helmut Bechtel, Markus Haase | 1998-06-02 |
| 5739632 | Luminescent phosphor screen containing catena-polyphosphate | Markus Haase, Helmut Bechtel, Walter Mayr, Joseph Lauter | 1998-04-14 |
| 5684358 | Luminescent screen | Markus Haase, Helmut Bechtel, Dieter Wadow | 1997-11-04 |
| 5360361 | Method of manufacturing a display tube | Helmut Bechtel, Stefan Willi Julius Gruhlke, Ulrich Kynast | 1994-11-01 |
| 4559469 | Green emitting phosphor and cathode-ray tube provided with such a phosphor | Thomas Welker, Klaus Carl | 1985-12-17 |