TREA

David L. Kvidt

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  • Albert Lea, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Power line phase coupler system
    • Patent number 7,198,521
    • Issue date Apr 3, 2007
    • Echelon Corporation
    • Douglas L. Hauck
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Power line phase coupler system
    • Patent number 6,896,551
    • Issue date May 24, 2005
    • Echelon Corporation
    • Douglas L. Hauck
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Power line phase coupler system
    • Publication number 20050118875
    • Publication date Jun 2, 2005
    • Douglas L. Hauck
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Power line phase coupler system
    • Publication number 20040108941
    • Publication date Jun 10, 2004
    • Douglas L. Hauck
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE