reset by rotatable knob or wheel

Patents Grantslast 30 patents

  • Information Patent Grant

    3343109

    • Patent number 3,343,109
    • Issue date Sep 19, 1967
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3263046

    • Patent number 3,263,046
    • Issue date Jul 26, 1966
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2833886

    • Patent number 2,833,886
    • Issue date May 6, 1958
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2035307

    • Patent number 2,035,307
    • Issue date Mar 24, 1936
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1641201

    • Patent number 1,641,201
    • Issue date Sep 6, 1927
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1641202

    • Patent number 1,641,202
    • Issue date Sep 6, 1927
    • H01 - BASIC ELECTRIC ELEMENTS