Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5079830 | Method of manufacturing and assembling a TWT delay line | Peter Mammach, Eckart Schmid | 1992-01-14 |
| 4835441 | Directly heated sorption getter body | Heinrich Feller, Peter Mammach | 1989-05-30 |
| 4663564 | Device for maintaining constant pressure in gas discharge vessels, particularly flat plasma picture screens with electron post-acceleration | Peter Mammach | 1987-05-05 |
| 4613399 | Method for manufacturing a display device | Gunter Trausch, Rolf Wengert | 1986-09-23 |
| 4346963 | Liquid crystal display device | Hans Krueger | 1982-08-31 |
| 4340838 | Control plate for a gas discharge display device | Burkhard Littwin, Rolf Wengert | 1982-07-20 |
| 4325002 | Luminescent screen for flat image display devices | Hans Lorenz, Kaspar Weingand, Rolf Wengert | 1982-04-13 |
| 4243735 | Method of producing light-absorbing edging about phosphor dots on color image screens | Hans Lorenz, Rolf Wengert | 1981-01-06 |
| 4242372 | Process for producing conductive/non-conductive adhesion layers for luminescent materials on flat/uni-directionally bent substrates for image display devices | Rolf Wengert | 1980-12-30 |
| 4201453 | Liquid crystal cell having an insulating layer of a silicon oxide base | Hans Pink, Helwig Schaefer | 1980-05-06 |