Patents by Inventor LIFEN GUO

LIFEN GUO 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).

  • Publication number: 20170297242
    Abstract: The present disclosure provides a method of manufacturing a metal shell of a communication equipment and a metal shell of communication equipment thus obtained, the method includes steps of: 1) performing a first injection molding on a non-slit region of an inner surface of a metal substrate; 2) forming at least one slit on a slit region of the inner surface of the metal substrate; and 3) performing a second injection molding on the slit region of the inner surface of the metal substrate.
    Type: Application
    Filed: June 23, 2017
    Publication date: October 19, 2017
    Inventors: KONGLIN LI, GUIWANG ZHAO, LIFEN GUO, CHENCEN LIU, MINGJIE DONG