Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4672272 | Flat picture reproduction device | — | 1987-06-09 |
| 4634935 | Gas-discharge display device with a post-acceleration section | Bernhard Hillenbrand, Wilhelm Huber, Karl-Heinz Schuster | 1987-01-06 |
| 4628228 | Gas discharge display device | Walter Geffcken, Rolf Wengert | 1986-12-09 |
| 4527100 | Flat color picture reproduction or video display device | Walter Geffcken | 1985-07-02 |
| 4362967 | Gas discharge display device with at least one spacing frame which limits the post-acceleration chamber | Wilhelm Huber | 1982-12-07 |
| 4340838 | Control plate for a gas discharge display device | Manfred Kobale, Rolf Wengert | 1982-07-20 |
| 4338539 | Gas display device with a profiled cathode | — | 1982-07-06 |
| 4329617 | Control plate for a flat plasma screen | — | 1982-05-11 |
| 4328444 | Gas discharge display device with a lamellar lattice in the gas discharge space | — | 1982-05-04 |