TREA

Allan H. Stephan

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  • Seattle, WA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Touchpad with scroll and pan regions
    • Patent number 5,748,185
    • Issue date May 5, 1998
    • Stratos Product Development Group
    • Allan H. Stephan
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Computer trackball
    • Patent number D353370
    • Issue date Dec 13, 1994
    • Microsoft Corporation
    • Stuart Ashmun
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Pointing device with adjustable clamp attachable to a keyboard
    • Patent number 5,281,958
    • Issue date Jan 25, 1994
    • Microsoft Corporation
    • Stuart Ashmun
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Computer trackball
    • Patent number D342241
    • Issue date Dec 14, 1993
    • Microsoft Corporation
    • Stuart Ashmun
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Pointing device with adjustable clamp attachable to a keyboard
    • Patent number 5,187,468
    • Issue date Feb 16, 1993
    • Microsoft Corporation
    • Charlie Garthwaite
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Trackball for computer
    • Patent number D326261
    • Issue date May 19, 1992
    • Microsoft Corporation
    • Stuart Ashmun
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Portable multimeter
    • Patent number D299014
    • Issue date Dec 20, 1988
    • Michael D. Nelson
    • D10 - Measuring, testing, or signalling instruments

Patents Applicationslast 30 patents