John Willigman

Person

  • Elk Grove Village, IL, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Push/push reset programmer

    • Patent number 4,948,928
    • Issue date Aug 14, 1990
    • Eaton Corporation
    • John Willigman
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrical programmer

    • Patent number 4,755,635
    • Issue date Jul 5, 1988
    • Eaton Corporation
    • John Willigman
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Snap action timer switch assembly

    • Patent number 4,587,389
    • Issue date May 6, 1986
    • Controls Company of America
    • John Willigman
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Increased capacity program timer

    • Patent number 4,560,846
    • Issue date Dec 24, 1985
    • The Singer Company
    • Jerome C. Klopp
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Timer drive mechanism

    • Patent number 4,467,664
    • Issue date Aug 28, 1984
    • The Singer Company
    • John Willigman
    • H01 - BASIC ELECTRIC ELEMENTS