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7,242,089
Miniature silicon condenser microphone
- June 03, 2011 Fed. Circ. Upholds Knowles Win In Mic Patent Suit
- November 22, 2010 ITC Judge Finds Knowles Microphone Patents Invalid
- June 01, 2010 Knowles Didn't Show Irreparable Harm In Mic Case: ITC
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