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Joseph R. Thibodeau

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  • Dedham, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fault indicator with inrush restraint
    • Patent number 5,045,778
    • Issue date Sep 3, 1991
    • Sigma Instruments, Inc.
    • Joseph R. Thibodeau
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Faulted current indicators and inrush restraints therefor
    • Patent number 5,003,426
    • Issue date Mar 26, 1991
    • Sigma Instruments, Inc.
    • Thomas Yeh
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Fault indicating means
    • Patent number 4,980,790
    • Issue date Dec 25, 1990
    • Sigma Instruments, Inc.
    • Joseph R. Thibodeau
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Condition-initiated load control circuit
    • Patent number 3,995,202
    • Issue date Nov 30, 1976
    • SIGMA Instruments, Inc.
    • John J. Powers
    • H03 - BASIC ELECTRONIC CIRCUITRY