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Casey G. Tzeng

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  • Irvine, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ridge cap with asphaltic foam materials
    • Patent number 9,200,450
    • Issue date Dec 1, 2015
    • Devpat, LLC
    • George F. Thagard
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Ridge cap with asphaltic foam materials
    • Patent number 8,549,802
    • Issue date Oct 8, 2013
    • Devpat, LLC
    • George F. Thagard
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Ridge cap roofing shingle
    • Patent number D422095
    • Issue date Mar 28, 2000
    • Fontana Paper Mills, Inc.
    • George F. Thagard
    • D25 - Building units and construction elements
  • Information Patent Grant

    Method of making rigid asphaltic foam
    • Patent number 5,965,626
    • Issue date Oct 12, 1999
    • Fontana Paper Mills, Inc.
    • Casey G. Tzeng
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Roofing shingle
    • Patent number D413396
    • Issue date Aug 31, 1999
    • Fontana Paper Mills, Inc.
    • George F. Thagard
    • D25 - Building units and construction elements
  • Information Patent Grant

    Method of making a ridge cap roofing tile
    • Patent number 5,816,014
    • Issue date Oct 6, 1998
    • Fontana Paper Mills, Inc.
    • Casey G. Tzeng
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Asphaltic foam
    • Patent number 5,813,176
    • Issue date Sep 29, 1998
    • Fontana Paper Mills, Inc.
    • Casey G. Tzeng
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Asphaltic polyurethane foam for roofing applications
    • Patent number 5,786,085
    • Issue date Jul 28, 1998
    • Fontana Paper Mills, Inc.
    • Casey G. Tzeng
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents