Patents by Inventor Lin R. Xin

Lin R. Xin 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).

  • Christmas tree novelty
    Patent number: D504083
    Type: Grant
    Filed: June 16, 2004
    Date of Patent: April 19, 2005
    Assignee: Exhart Environmental Systems, Inc.
    Inventor: Lin R. Xin
  • Fiber optic Christmas tree novelty
    Patent number: D494095
    Type: Grant
    Filed: June 9, 2003
    Date of Patent: August 10, 2004
    Assignee: Exhart Environmental Systems, Inc.
    Inventor: Lin R. Xin