Patents by Inventor Frankie S.F. Jim

Frankie S.F. Jim 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).

  • Magnifying glass
    Patent number: D416927
    Type: Grant
    Filed: December 7, 1998
    Date of Patent: November 23, 1999
    Assignee: Concavex Plastic Works Limited
    Inventor: Frankie S.F. Jim