TREA

Richard David Johnson

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  • Maplewood, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Modem with firmware upgrade feature
    • Patent number 6,928,108
    • Issue date Aug 9, 2005
    • Multi-Tech Systems, Inc.
    • Craig A. Nelson
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Modem with firmware upgrade feature
    • Patent number 6,526,092
    • Issue date Feb 25, 2003
    • Multi-Tech Systems, Inc.
    • Craig A. Nelson
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Modem with firmware upgrade feature
    • Patent number 6,341,143
    • Issue date Jan 22, 2002
    • Multi-Tech Systems, Inc.
    • Craig A. Nelson
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Modem with firmware upgrade feature
    • Patent number 6,031,867
    • Issue date Feb 29, 2000
    • Multi-Tech Systems, Inc.
    • Greg Johnson
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Power-conserving modem
    • Patent number 5,644,594
    • Issue date Jul 1, 1997
    • Multi-Tech Systems, Inc.
    • Greg Johnson
    • G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Modem with firmware upgrade feature
    • Publication number 20020114384
    • Publication date Aug 22, 2002
    • Multi-Tech Systems, Inc.
    • Craig A. Nelson
    • G06 - COMPUTING CALCULATING COUNTING