Patents by Inventor Donald K. Sultan

Donald K. Sultan 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: D271926
    Type: Grant
    Filed: May 4, 1981
    Date of Patent: December 27, 1983
    Inventor: Donald K. Sultan