Patents by Inventor Freeman Tang

Freeman Tang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

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    Patent number: D707278
    Type: Grant
    Filed: May 3, 2013
    Date of Patent: June 17, 2014
    Inventor: Freeman Tang
  • Magnifier
    Patent number: D707279
    Type: Grant
    Filed: May 3, 2013
    Date of Patent: June 17, 2014
    Inventor: Freeman Tang
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    Patent number: D707280
    Type: Grant
    Filed: May 3, 2013
    Date of Patent: June 17, 2014
    Inventor: Freeman Tang
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    Patent number: D774582
    Type: Grant
    Filed: April 23, 2015
    Date of Patent: December 20, 2016
    Assignee: Great Wall (Optical) Plastic Works Limited
    Inventor: Yu Freeman Tang