TREA

Douglas P. Reiman

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  • Cedar Rapids, IA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    SS7 gateway
    • Patent number 5,966,431
    • Issue date Oct 12, 1999
    • MCI Communications Corporation
    • Douglas P. Reiman
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Communication gateway
    • Patent number 5,793,771
    • Issue date Aug 11, 1998
    • MCI Communications Corporation
    • Timothy E. Darland
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Method and system for automated collect call messaging
    • Patent number 5,787,150
    • Issue date Jul 28, 1998
    • MCI Communications Corporation
    • Doug Reiman
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    SS7 gateway
    • Patent number 5,706,286
    • Issue date Jan 6, 1998
    • MCI Communications Corporation
    • Douglas P. Reiman
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE