TREA

Bruce Bartlett

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  • Elkhart, IN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Directional microphone with acoustic washer
    • Patent number 4,694,499
    • Issue date Sep 15, 1987
    • Crown International, Inc.
    • Bruce Bartlett
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Differential microphone
    • Patent number 4,633,045
    • Issue date Dec 30, 1986
    • Crown International, Inc.
    • Bruce Bartlett
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Microphone windscreen
    • Patent number 4,625,827
    • Issue date Dec 2, 1986
    • Crown International, Inc.
    • Bruce Bartlett
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE