Dieter Heimgartner

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Baden, CH

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Patents Grantslast 30 patents

Information Patent Grant
Process for the sampling of an electric signal varying over time an...
- Patent number 4,864,522
- Issue date Sep 5, 1989
- BBC Brown Boveri AG
- Dieter Heimgartner
- G01 - MEASURING TESTING
Information Patent Grant
Liquid crystal display having degree of twist and thickness for imp...
- Patent number 4,697,884
- Issue date Oct 6, 1987
- BBC Brown, Boveri & Company, Limited
- Hermann Amstutz
- G02 - OPTICS
Information Patent Grant
Liquid crystal display
- Patent number 4,634,229
- Issue date Jan 6, 1987
- BBC Brown, Boveri & Company Limited
- Hermann Amstutz
- G02 - OPTICS