TREA

Donald Ray Shea

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  • Columbus, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Preference access circuit
    • Patent number 3,985,973
    • Issue date Oct 12, 1976
    • Bell Telephone Laboratories, Incorporated
    • Donald Ray Shea
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Collecting switching system call data
    • Patent number 3,944,746
    • Issue date Mar 16, 1976
    • Bell Telephone Laboratories Incorporated
    • Thomas Victor Burns
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE