Assignee

SENNHEISER ELECTRONICS GMBH &

US·2 granted patents·30 citations·filing 2000–2002

Technology mixH04H1 H04R1

Top patents by PatentIndex Score

2 records

0174US6763253B1Device for bi-directional transmission of audio and/or video signalsSENNHEISER ELECTRONICS GMBH &·Filed 2000·Granted Jul 13, 2004·24 cites·22 claims
0254US6934401B2Closed headphones with transducer systemSENNHEISER ELECTRONICS GMBH &·Filed 2002·Granted Aug 23, 2005·6 cites·5 claims

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