TREA

Levi L. Rose

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  • Chicago, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Speaker phones
    • Patent number 4,346,261
    • Issue date Aug 24, 1982
    • United Networks, Inc.
    • Alfred M. Hestad
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Subscriber station networks
    • Patent number 4,314,107
    • Issue date Feb 2, 1982
    • United Networks, Inc.
    • Alfred M. Hestad
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE