TREA

Marvin D. McKelvy

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  • Centralia, MO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Grounding mat
    • Patent number 6,477,027
    • Issue date Nov 5, 2002
    • Hubbell Incorporated
    • Marvin D. McKelvy
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Electrical equipment cluster mount
    • Patent number 6,378,821
    • Issue date Apr 30, 2002
    • Hubbell Incorporated
    • Marvin D. McKelvy
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Component retaining pressure relief system
    • Patent number 5,092,483
    • Issue date Mar 3, 1992
    • A. B. Chance Co.
    • Marvin D. McKelvy
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Mechanical device for picking up an electrical load
    • Patent number 4,348,561
    • Issue date Sep 7, 1982
    • A. B. Chance Company
    • Marvin D. McKelvy
    • H01 - BASIC ELECTRIC ELEMENTS