Patents by Inventor Stephen A. Sifling

Stephen A. Sifling 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).

  • Shoe upper
    Patent number: D359238
    Type: Grant
    Filed: February 15, 1994
    Date of Patent: June 13, 1995
    Assignee: Mercury International Trading Corporation
    Inventor: Stephen A. Sifling