David E. Colglazier

Person

  • Minneapolis, MN, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Touch actuated electronic switch

    • Patent number 4,002,923
    • Issue date Jan 11, 1977
    • Magic Dot, Inc.
    • Willis A. Larson
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Touch actuated electronic switch

    • Patent number 3,947,696
    • Issue date Mar 30, 1976
    • Magic Dot, Inc.
    • Willis A. Larson
    • H03 - BASIC ELECTRONIC CIRCUITRY