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Christopher J. Whigham

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  • Leawood, KS, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Chalk stick holder and method of use
    • Patent number 10,315,456
    • Issue date Jun 11, 2019
    • Christopher J. Whigham
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Telescoping chalk holder
    • Patent number 9,004,794
    • Issue date Apr 14, 2015
    • Christopher Whigham
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    CHALK STICK HOLDER AND METHOD OF USE
    • Publication number 20180201048
    • Publication date Jul 19, 2018
    • Christopher J. Whigham
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    TELESCOPING CHALK HOLDER
    • Publication number 20140270890
    • Publication date Sep 18, 2014
    • Christopher J. Whigham
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES