TREA

Kevin D. Willis

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  • Indianapolis, IN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Long-time balancing of omni microphones
    • Patent number 5,515,445
    • Issue date May 7, 1996
    • AT&T Corp.
    • John C. Baumhauer
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Directional microphone system
    • Patent number 5,506,908
    • Issue date Apr 9, 1996
    • AT&T Corp.
    • John C. Baumhauer
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Compact loudspeaker assembly
    • Patent number 5,369,701
    • Issue date Nov 29, 1994
    • AT&T Corp.
    • Jeffrey P. McAteer
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE