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Erwin Helbrecht
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Wenzenbach, DE
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last 30 patents
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Patent Grant
Illuminated display window for LED and/or LC displays
Patent number
7,789,519
Issue date
Sep 7, 2010
BSH Bosch uns Siemens Hausgeraete GmbH
Günter Gietl
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Patents Applications
last 30 patents
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Patent Application
Illuminated Display Window for LED and/or LC Displays
Publication number
20090129057
Publication date
May 21, 2009
BSH Bosch und Siemens Hausgerate GmbH
Gunther Gietl
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS