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Charles Chang

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  • Palisades Park, NJ, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Use of graphene-polymer composites to improve barrier resistance of...
    • Patent number 11,479,653
    • Issue date Oct 25, 2022
    • Rutgers, The State University of New Jersey
    • Jennifer K. Lynch-Branzoi
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Cosmetic compact
    • Patent number 8,464,730
    • Issue date Jun 18, 2013
    • Serena Eng
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    Aluminum container
    • Patent number 8,292,112
    • Issue date Oct 23, 2012
    • Charles Chang
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Cosmetic powder dispenser with retractable brush
    • Patent number 8,113,219
    • Issue date Feb 14, 2012
    • Charles Chang
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    Beverage container construction
    • Patent number 8,109,406
    • Issue date Feb 7, 2012
    • Charles Chang
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Cosmetic compact
    • Patent number 7,997,286
    • Issue date Aug 16, 2011
    • Serena Eng
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    Cosmetic applicator device
    • Patent number 7,785,026
    • Issue date Aug 31, 2010
    • Serena Eng
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    Cosmetic compact
    • Patent number 7,503,331
    • Issue date Mar 17, 2009
    • Serena Eng
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    Cosmetic pencil sharpener
    • Patent number 6,568,090
    • Issue date May 27, 2003
    • Robert Sheffler
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Cosmetic container
    • Patent number D474861
    • Issue date May 20, 2003
    • Jack Rodriguez
    • D28 - Cosmetic products and toilet articles
  • Information Patent Grant

    Cosmetic pot with hidden hinge between cover and base
    • Patent number 6,526,989
    • Issue date Mar 4, 2003
    • Robert J. Sheffler
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    Cosmetic container with cap
    • Patent number 6,474,345
    • Issue date Nov 5, 2002
    • Jack Rodriquez
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Sanitary beverage can lid
    • Patent number 6,450,359
    • Issue date Sep 17, 2002
    • Charles Chang
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Lipstick package with dispensing compartment(s)
    • Patent number 6,405,737
    • Issue date Jun 18, 2002
    • Robert J. Sheffler
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    Cosmetic container
    • Patent number D457986
    • Issue date May 28, 2002
    • Jack Rodriguez
    • D28 - Cosmetic products and toilet articles
  • Information Patent Grant

    Device for applying glitter particles
    • Patent number 6,325,075
    • Issue date Dec 4, 2001
    • Topline Products Company, Inc.
    • Robert J. Sheffler
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    Cosmetic container
    • Patent number D449410
    • Issue date Oct 16, 2001
    • Jack Rodriguez
    • D28 - Cosmetic products and toilet articles
  • Information Patent Grant

    Double groove beverage can lid
    • Patent number 6,247,608
    • Issue date Jun 19, 2001
    • Charles Chang
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Cosmetic container having a clean corkage insert
    • Patent number 6,186,689
    • Issue date Feb 13, 2001
    • Robert J. Sheffler
    • A46 - BRUSHWARE
  • Information Patent Grant

    Cosmetic jar and applicator
    • Patent number 6,138,687
    • Issue date Oct 31, 2000
    • Chang; Charles
    • Robert J. Sheffler
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    Adjustable cosmetic applicator
    • Patent number 6,132,126
    • Issue date Oct 17, 2000
    • Chang; Charles
    • Robert J. Sheffler
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    Cosmetic jar with transparent cover and hidden threads
    • Patent number 6,029,842
    • Issue date Feb 29, 2000
    • Chang; Charles
    • Robert J. Sheffler
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    Method of making lipstick samplers
    • Patent number 6,015,513
    • Issue date Jan 18, 2000
    • Chang; Charles
    • Robert J. Sheffler
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Cosmetic stick dispenser
    • Patent number 5,988,917
    • Issue date Nov 23, 1999
    • Chang; Charles
    • Robert J. Sheffler
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    Sanitary beverage can lid
    • Patent number 5,934,497
    • Issue date Aug 10, 1999
    • Charles Chang
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Cosmetic pot with internal hinged tray
    • Patent number 5,884,636
    • Issue date Mar 23, 1999
    • Chang; Charles
    • Robert J. Sheffler
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    Mascara container and dispenser
    • Patent number 5,884,634
    • Issue date Mar 23, 1999
    • Chang; Charles
    • Robert J. Sheffler
    • A46 - BRUSHWARE
  • Information Patent Grant

    Mascara container and applicator
    • Patent number 5,875,791
    • Issue date Mar 2, 1999
    • Chang; Charles
    • Robert J. Sheffler
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    Hermetically-sealed container and closure construction
    • Patent number 5,875,918
    • Issue date Mar 2, 1999
    • Charles Chang
    • Robert J. Sheffler
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Sanitary beverage can lid
    • Patent number 5,813,561
    • Issue date Sep 29, 1998
    • Charles Chang
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

  • Information Patent Application

    USE OF GRAPHENE-POLYMER COMPOSITES TO IMPROVE BARRIER RESISTANCE OF...
    • Publication number 20230039392
    • Publication date Feb 9, 2023
    • Rutgers, The State University of New Jersey
    • Jennifer K. Lynch-Branzoi
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    USE OF GRAPHENE-POLYMER COMPOSITES TO IMPROVE BARRIER RESISTANCE OF...
    • Publication number 20200362137
    • Publication date Nov 19, 2020
    • Rutgers, The State University of New Jersey
    • Thomas J. Nosker
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Aluminum container
    • Publication number 20100219188
    • Publication date Sep 2, 2010
    • Charles Chang
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    Cosmetic compact
    • Publication number 20090044826
    • Publication date Feb 19, 2009
    • Serena Eng
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Application

    Cosmetic compact
    • Publication number 20080251096
    • Publication date Oct 16, 2008
    • Serena Eng
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Application

    Cosmetic applicator device
    • Publication number 20080166172
    • Publication date Jul 10, 2008
    • Serena Eng
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Application

    Beverage container construction
    • Publication number 20080099480
    • Publication date May 1, 2008
    • Charles Chang
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    Liquid product applicator
    • Publication number 20070127974
    • Publication date Jun 7, 2007
    • Charles Chang
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Application

    Beverage can with laminate on top
    • Publication number 20060151501
    • Publication date Jul 13, 2006
    • Charles Chang
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    Abraded spiral wound brush
    • Publication number 20050241662
    • Publication date Nov 3, 2005
    • Robert J. Sheffler
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Application

    Cosmetic pot with hidden hinge between cover and base
    • Publication number 20020148481
    • Publication date Oct 17, 2002
    • Robert J. Sheffler
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Application

    Beverage can lid with easy opening features
    • Publication number 20020096520
    • Publication date Jul 25, 2002
    • Charles Chang
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    Cosmetic container having a clean finish
    • Publication number 20020071706
    • Publication date Jun 13, 2002
    • Charles Chang
    • Robert J. Sheffler
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Application

    Cosmetic container cap
    • Publication number 20020051671
    • Publication date May 2, 2002
    • Jack Rodriguez
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Cosmetic pencil sharpener
    • Publication number 20020046470
    • Publication date Apr 25, 2002
    • Robert Sheffler
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES