TREA

David Martin Jordahl

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  • Estacada, OR, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Classroom system
    • Patent number 10,152,297
    • Issue date Dec 11, 2018
    • Lightspeed Technologies, Inc.
    • David M. Jordahl
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Distributed audio system
    • Patent number 8,861,744
    • Issue date Oct 14, 2014
    • Lightspeed Technologies, Inc.
    • David Solomon
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Microphone circuit
    • Patent number 8,311,241
    • Issue date Nov 13, 2012
    • Lightspeed Technologies, Inc.
    • David Martin Jordahl
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents