Assignee

ALWIN CO LTD

WS·1 granted patent·1 pending application·0 citations·filing 2016–2016

Technology mixH04R2 A42B1 G02C1

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2 records

0127US10524045B2Sound receiver and personal audio system having the sameALWIN CO LTD·Filed 2016·Granted Dec 31, 2019·0 cites·19 claims
0224US2018270572A1Transducer module and sound delivery device having the sameALWIN CO LTD·Filed 2016·Application pending·0 cites

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