Assignee

SORENSEN MICHAEL

DK·2 granted patents·5 citations·filing 2009–2013

Technology mixH04M1 H04R1

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2 records

0167US9143853B2Headset with turnable ear hook with two off positionsSORENSEN MICHAEL·Filed 2009·Granted Sep 22, 2015·5 cites·13 claims
0245US8818467B2Headset system with a headset unit and a detachable wearing deviceSORENSEN MICHAEL·Filed 2013·Granted Aug 26, 2014·0 cites·15 claims

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