TREA

Roger W. Doering

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  • Hayward, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Touch panel using modulated light
    • Patent number 4,893,120
    • Issue date Jan 9, 1990
    • Digital Electronics Corporation
    • Roger W. Doering
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Infrared touch panel
    • Patent number 4,868,912
    • Issue date Sep 19, 1989
    • Digital Electronics
    • Roger W. Doering
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Touch panel display assembly
    • Patent number 4,812,830
    • Issue date Mar 14, 1989
    • Digital Electronics Corporation
    • Roger W. Doering
    • G06 - COMPUTING CALCULATING COUNTING