TREA

Richard C. Frey

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  • Boulder, CO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Digital radio telephone system
    • Patent number 5,260,941
    • Issue date Nov 9, 1993
    • Rose Communications, Inc.
    • Ronald Wilder
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Digital radio telephone system
    • Patent number 5,128,928
    • Issue date Jul 7, 1992
    • Rose Communications, Inc.
    • Ronald P. Wilder
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE