TREA

Robert A. Cunningham Jr.

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  • Argyle, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Drive system for board cutting machine
    • Patent number 6,422,114
    • Issue date Jul 23, 2002
    • NRG Industries, Inc.
    • Robert Ashley Cunningham
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Tool holder and tab system for board cutting machine
    • Patent number 6,418,831
    • Issue date Jul 16, 2002
    • NRG Industries, Inc.
    • Robert Ashley Cunningham
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Damper blade system
    • Patent number 6,099,405
    • Issue date Aug 8, 2000
    • NRG Industries, Inc.
    • Robert Ashley Cunningham
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Damper blade system
    • Patent number 5,938,524
    • Issue date Aug 17, 1999
    • NRG Industries, Inc.
    • Robert Ashley Cunningham
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Damper blade system
    • Patent number 5,836,814
    • Issue date Nov 17, 1998
    • NRG Industries, Inc.
    • Robert Ashley Cunningham
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Air handling system
    • Patent number 5,548,970
    • Issue date Aug 27, 1996
    • NRG Industries Inc.
    • Robert A. Cunningham
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Circular duct and apparatus and method of fabrication
    • Patent number 5,421,938
    • Issue date Jun 6, 1995
    • Glass Master Corporation
    • Robert A. Cunningham
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Duct forming machine
    • Patent number 5,186,704
    • Issue date Feb 16, 1993
    • Glass Master Corporation
    • Robert A. Cunningham
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    Apparatus and method for forming shiplap duct
    • Patent number 4,983,081
    • Issue date Jan 8, 1991
    • Glass Master Corporation
    • Robert A. Cunningham
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL