Assignee

ELFRING ROBERT

DE·1 granted patent·12 citations·filing 2014–2014

Technology mixA61B1 F21V1 F21W1 H05B1 Y02B1

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0174US9491835B2Method for improving the illumination of an illumination region from an illumination deviceELFRING ROBERT·Filed 2014·Granted Nov 8, 2016·12 cites·20 claims

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