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Wolfgang Ziegler
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Furth, DE
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last 30 patents
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Patent Grant
Arrangement to remove reflection from liquid crystal displays (LCD's)
Patent number
4,657,348
Issue date
Apr 14, 1987
Robert Bosch GmbH
Wolfgang Ziegler
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Apparatus for illuminating passive liquid crystal displays (LCD's)
Patent number
4,599,816
Issue date
Jul 15, 1986
Robert Bosch GmbH
Wolfgang Ziegler
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
LCD Indicator with built-in fixed information display
Patent number
4,563,678
Issue date
Jan 7, 1986
Robert Bosch GmbH
Wolfgang Ziegler
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Method of making color-neutral LCD indicators of low residual trans...
Patent number
4,541,693
Issue date
Sep 17, 1985
Robert Bosch GmbH
Peter Knoll
G02 - OPTICS
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Patent Grant
Gradient-free illumination of passive readout display devices
Patent number
4,502,761
Issue date
Mar 5, 1985
Robert Bosch GmbH
Peter Knoll
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS