Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6087600 | Keypad for input of control commands | Ernst Schwarz, Hugo Felder | 2000-07-11 |
| 4929830 | Fiber-optic electric field sensor with piezoelectric body sensor | Klaus Bohnert, Jurgen Nehring | 1990-05-29 |
| 4906106 | Pyrometric temperature measuring instrument | Lothar Schultheis | 1990-03-06 |
| 4864522 | Process for the sampling of an electric signal varying over time and apparatus for the implementation and application of this process | Dieter Heimgartner, Hanspeter Schad | 1989-09-05 |
| 4812635 | Optoelectronic displacement sensor with correction filter | Karl Kloti, Jurgen Nehring, Hanspeter Schad | 1989-03-14 |
| 4705359 | Process and apparatus for the production of an orientation layer on a plane surface of a plate, and liquid crystal substrate plate produced thereby | Hermann Amstutz, Jurgen Nehring, Terry J. Scheffer | 1987-11-10 |
| 4634229 | Liquid crystal display | Hermann Amstutz, Dieter Heimgartner, Terry J. Scheffer | 1987-01-06 |
| 4626073 | Liquid crystal display cell with elastic cell spacers | Hermann Amstutz | 1986-12-02 |
| 4608558 | Addressing method for a multiplexable, bistable liquid crystal display | Hermann Amstutz, Terry J. Scheffer | 1986-08-26 |
| 4492432 | Homeotropic nematic display with internal reflector | Hanspeter Schad | 1985-01-08 |
| 4420224 | Liquid crystal display cell, process for its production and cell plate | — | 1983-12-13 |
| 4340277 | Liquid crystal display and method of making | Allan R. Kmetz | 1982-07-20 |
| 4298249 | Electro-optical display having an improved reflector and method of making | Ernst Gloor, Allan R. Kmetz | 1981-11-03 |
| 4258364 | Display device having adjoining display elements, and a method of producing the display device | Allan R. Kmetz | 1981-03-24 |
| 4242388 | Sealing cement useful for producing liquid crystal display cells | — | 1980-12-30 |
| 4218281 | Manufacturing process for an electrooptic display device | Rino Doriguzzi, Markus Egloff, Terry J. Scheffer | 1980-08-19 |
| 4217035 | Liquid crystal display | Rino Doriguzzi, Markus Egloff, Terry J. Scheffer | 1980-08-12 |
| 4213676 | Liquid crystal display for reflection operation with a guest-host liquid crystal layer and method of making | — | 1980-07-22 |
| 4202608 | Instrument having a liquid crystal display | — | 1980-05-13 |