TREA

Robert W. Hadfield

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  • Parkersburg, WV, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method and apparatus for improved activation of services in an offi...
    • Patent number 5,467,565
    • Issue date Nov 21, 1995
    • Walker Systems, Inc.
    • Timothy Bowman
    • E04 - BUILDING
  • Information Patent Grant

    Floor box for in-floor activations in a concrete floor
    • Patent number 5,257,487
    • Issue date Nov 2, 1993
    • Butler Manufacturing Company
    • Kermit Bantz
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Access means for flush floor fitting
    • Patent number 5,160,808
    • Issue date Nov 3, 1992
    • Butler Manufacturing Company
    • Robert W. Hadfield
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Afterset
    • Patent number 5,049,702
    • Issue date Sep 17, 1991
    • Butler Manufacturing Company
    • Robert W. Hadfield
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Activating undercarpet cable from infloor conductors
    • Patent number 5,021,608
    • Issue date Jun 4, 1991
    • Butler Manufacturing Company
    • Robert W. Hadfield
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Outlet fitting
    • Patent number 4,883,924
    • Issue date Nov 28, 1989
    • Butler Manufacuting Company
    • Robert W. Hadfield
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Economy poke-thru
    • Patent number RE32678
    • Issue date May 31, 1988
    • Butler Manufacturing Company
    • Richard D. Benscoter
    • 052 - Static structures
  • Information Patent Grant

    Economy poke-thru
    • Patent number 4,573,297
    • Issue date Mar 4, 1986
    • Butler Manufacturing Company
    • Richard D. Benscoter
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Out-of-sight service fittings
    • Patent number 4,209,660
    • Issue date Jun 24, 1980
    • Textron Inc.
    • Charles T. Flachbarth
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER