Patents by Inventor Sen N. Lie

Sen N. Lie 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: D311955
    Type: Grant
    Filed: December 31, 1987
    Date of Patent: November 6, 1990
    Assignee: Kolvin Industries Limited
    Inventor: Sen N. Lie