( en Inventor David Goldberg Neil Simon Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Active, expires Application number US11/566,599 Other versions US20070155313A1 Google Patents Modular interunit transmitter-receiver for a portable audio deviceÄownload PDF Info Publication number US7916877B2 US7916877B2 US11/566,599 US56659906A US7916877B2 US 7916877 B2 US7916877 B2 US 7916877B2 US 56659906 A US56659906 A US 56659906A US 7916877 B2 US7916877 B2 US 7916877B2 Authority US United States Prior art keywords unit audio music broadcast signals Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US7916877B2 - Modular interunit transmitter-receiver for a portable audio device US7916877B2 - Modular interunit transmitter-receiver for a portable audio device
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