Alois Schauer

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Gruenwald, DE

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Patents Grantslast 30 patents

Information Patent Grant
Display device for displaying light images on a dark background
- Patent number 4,405,210
- Issue date Sep 20, 1983
- Siemens Aktiengesellschaft
- Guenter Baur
- G02 - OPTICS
Information Patent Grant
Process and apparatus for displaying an image in front of an optica...
- Patent number 4,269,480
- Issue date May 26, 1981
- Siemens Aktiengesellschaft
- Hans Krueger
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Display device for the representation of bright images on a dark ba...
- Patent number 4,244,636
- Issue date Jan 13, 1981
- Siemens Aktiengesellschaft
- Guenter Baur
- G02 - OPTICS
Information Patent Grant
Display device comprising a liquid crystal cell with light valves
- Patent number 4,240,711
- Issue date Dec 23, 1980
- Siemens Aktiengesellschaft
- Gunter Baur
- G02 - OPTICS