TREA

Robert F. Purssell

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  • Plymouth, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Trip-free resetting mechanism for an on-off unit
    • Patent number 4,841,271
    • Issue date Jun 20, 1989
    • Ranco Incorporated of Delaware
    • Robert F. Purssell
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Snap action switches
    • Patent number 4,145,587
    • Issue date Mar 20, 1979
    • Ranco Incorporated
    • Robert F. Purssell
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Snap action switch blades
    • Patent number 4,118,610
    • Issue date Oct 3, 1978
    • Ranco Incorporated
    • Robert F. Purssell
    • H01 - BASIC ELECTRIC ELEMENTS