TREA

Johan D. Carlson

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  • Edina, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Universal earpiece
    • Patent number 10,212,525
    • Issue date Feb 19, 2019
    • Blue-Gear, Inc.
    • Lawrence T. Hagen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Universal earpiece
    • Patent number 9,398,362
    • Issue date Jul 19, 2016
    • Blue-Gear, Inc.
    • Lawrence T. Hagen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    UNIVERSAL EARPIECE
    • Publication number 20170127198
    • Publication date May 4, 2017
    • Blue-Gear, Inc.
    • Lawrence T. Hagen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    UNIVERSAL EARPIECE
    • Publication number 20140153768
    • Publication date Jun 5, 2014
    • Blue-Gear, Inc.
    • Lawrence T. Hagen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE