G11B 3/31

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9734863 Adjustable dual tensioning tone arm device and assemblyJun 04, 14Aug 15, 17GIBSON BRANDS, INC.
6983472 Optical pickupAug 06, 02Jan 03, 06FUNAI ELECTRIC CO., LTD.