TREA

Stephen Charles Witkus

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  • Northbridge, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Handle for a razor
    • Patent number 11,285,630
    • Issue date Mar 29, 2022
    • The Gillette Company LLC
    • Hong Lu
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Apparatus for testing a coefficient of friction and methods for same
    • Patent number 11,150,177
    • Issue date Oct 19, 2021
    • The Gillette Company LLC
    • Hong Lu
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Handle for a razor
    • Patent number 11,130,247
    • Issue date Sep 28, 2021
    • The Gillette Company LLC
    • Hong Lu
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Handle for a razor
    • Patent number 10,940,598
    • Issue date Mar 9, 2021
    • The Gillette Company LLC
    • Hong Lu
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Apparatus for testing a coefficient of friction and methods for same
    • Patent number 10,837,894
    • Issue date Nov 17, 2020
    • The Gillette Company LLC
    • Hong Lu
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Handle for a razor
    • Patent number 10,414,058
    • Issue date Sep 17, 2019
    • The Gillette Company LLC
    • Hong Lu
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Razor cartridge guard structure
    • Patent number 10,363,674
    • Issue date Jul 30, 2019
    • The Gillette Company LLC
    • Stephen Charles Witkus
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Handle for a razor
    • Patent number 10,226,874
    • Issue date Mar 12, 2019
    • The Gillette Company LLC
    • Hong Lu
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Razor cartridge guard structure
    • Patent number 9,802,328
    • Issue date Oct 31, 2017
    • The Gillette Company LLC
    • Stephen Charles Witkus
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Razor cartridge
    • Patent number D741546
    • Issue date Oct 20, 2015
    • The Gillette Company
    • Stephen Charles Witkus
    • D28 - Cosmetic products and toilet articles
  • Information Patent Grant

    Razor cartridge
    • Patent number D741013
    • Issue date Oct 13, 2015
    • The Gillette Company
    • Stephen Charles Witkus
    • D28 - Cosmetic products and toilet articles
  • Information Patent Grant

    Razor guard
    • Patent number D741012
    • Issue date Oct 13, 2015
    • The Gillette Company
    • Stephen Charles Witkus
    • D28 - Cosmetic products and toilet articles
  • Information Patent Grant

    Shaving cartridge with supressed blade geometry
    • Patent number 8,448,339
    • Issue date May 28, 2013
    • The Gillette Company
    • Vincent Paul Walker
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Shaving cartridge guard for supporting skin
    • Patent number 8,413,334
    • Issue date Apr 9, 2013
    • The Gillette Company
    • Vincent Paul Walker
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Gum massaging oral brush
    • Patent number 8,156,600
    • Issue date Apr 17, 2012
    • The Gillette Company
    • Michael Roberts
    • A46 - BRUSHWARE
  • Information Patent Grant

    Gum-massaging oral brush
    • Patent number 6,151,745
    • Issue date Nov 28, 2000
    • Gillette Canada, Inc.
    • Michael F. Roberts
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Gum-massaging oral brush
    • Patent number 5,987,688
    • Issue date Nov 23, 1999
    • Gillette Canada Inc.
    • Michael F. Roberts
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    APPARATUS FOR TESTING A COEFFICIENT OF FRICTION AND METHODS FOR SAME
    • Publication number 20210018427
    • Publication date Jan 21, 2021
    • The Gillette Company LLC
    • Hong Lu
    • G01 - MEASURING TESTING
  • Information Patent Application

    APPARATUS FOR TESTING A COEFFICIENT OF FRICTION AND METHODS FOR SAME
    • Publication number 20190094126
    • Publication date Mar 28, 2019
    • The Gillette Company LLC
    • Hong Lu
    • G01 - MEASURING TESTING
  • Information Patent Application

    HANDLE FOR A RAZOR
    • Publication number 20180043555
    • Publication date Feb 15, 2018
    • The Gillette Company
    • Hong Lu
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    HANDLE FOR A RAZOR
    • Publication number 20180043557
    • Publication date Feb 15, 2018
    • The Gillette Company
    • Hong Lu
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    HANDLE FOR A RAZOR
    • Publication number 20180043558
    • Publication date Feb 15, 2018
    • The Gillette Company
    • Hong Lu
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    HANDLE FOR A RAZOR
    • Publication number 20180043556
    • Publication date Feb 15, 2018
    • The Gillette Company
    • Hong Lu
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    HANDLE FOR A RAZOR
    • Publication number 20180043553
    • Publication date Feb 15, 2018
    • The Gillette Company
    • Hong Lu
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    HANDLE FOR A RAZOR
    • Publication number 20180043554
    • Publication date Feb 15, 2018
    • The Gillette Company
    • Hong Lu
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    HANDLE FOR A RAZOR
    • Publication number 20180043552
    • Publication date Feb 15, 2018
    • The Gillette Company
    • Hong Lu
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    HANDLE FOR A RAZOR
    • Publication number 20180043559
    • Publication date Feb 15, 2018
    • The Gillette Company
    • Hong Lu
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    HANDLE FOR A RAZOR
    • Publication number 20180043560
    • Publication date Feb 15, 2018
    • The Gillette Company
    • Hong Lu
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    HANDLE FOR A RAZOR
    • Publication number 20180043550
    • Publication date Feb 15, 2018
    • The Gillette Company
    • Hong Lu
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    HANDLE FOR A RAZOR
    • Publication number 20180043551
    • Publication date Feb 15, 2018
    • The Gillette Company
    • Hong Lu
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    RAZOR CARTRIDGE GUARD STRUCTURE
    • Publication number 20180021966
    • Publication date Jan 25, 2018
    • The Gillette Company LLC
    • Stephen Charles Witkus
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    RAZOR CARTRIDGE GUARD STRUCTURE
    • Publication number 20150128424
    • Publication date May 14, 2015
    • The Gillette Company
    • Stephen Charles Witkus
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    SHAVING RAZOR CARTRIDGE
    • Publication number 20140000114
    • Publication date Jan 2, 2014
    • The Gillette Company
    • Christian Reber Wester
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    SHAVING CARTRIDGE GUARD FOR SUPPORTING SKIN
    • Publication number 20120030947
    • Publication date Feb 9, 2012
    • Vincent Paul Walker, JR.
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    SHAVING CARTRIDGE WITH SUPRESSED BLADE GEOMETRY
    • Publication number 20120030948
    • Publication date Feb 9, 2012
    • Vincent Walker, JR.
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    RAZOR CARTRIDGE ASSEMBLY
    • Publication number 20110203120
    • Publication date Aug 25, 2011
    • Stephen Charles Witkus
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    Gum Massaging Oral Brush
    • Publication number 20090013484
    • Publication date Jan 15, 2009
    • Michael Roberts
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Gum massaging oral brush
    • Publication number 20070234496
    • Publication date Oct 11, 2007
    • Gillette Canada Inc., a Canadian corporation
    • Michael Roberts
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Gum-massaging oral brush
    • Publication number 20060085931
    • Publication date Apr 27, 2006
    • The Gillette Company, a Delaware corporation
    • Michael Roberts
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Gum massaging oral brush
    • Publication number 20050086753
    • Publication date Apr 28, 2005
    • Gillette Canada, a Canadian corporation
    • Michael Roberts
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Gum massaging oral brush
    • Publication number 20040087882
    • Publication date May 6, 2004
    • Gillette Canada Company, a Canadian corporation
    • Michael Roberts
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Gum-massaging oral brush
    • Publication number 20020084550
    • Publication date Jul 4, 2002
    • Michael Roberts
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL