Patents by Inventor Lidang Ma

Lidang Ma 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).

  • Patent number: D559311
    Type: Grant
    Filed: March 22, 2006
    Date of Patent: January 8, 2008
    Assignee: Beifa Group Co., Ltd.
    Inventors: Zhiming Qiu, Lidang Ma