Patents by Inventor Stephan K. Roundtree

Stephan K. Roundtree 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: D411072
    Type: Grant
    Filed: September 2, 1997
    Date of Patent: June 15, 1999
    Assignee: Stainless Services LLC
    Inventor: Stephan K. Roundtree
  • Patent number: D411935
    Type: Grant
    Filed: September 2, 1997
    Date of Patent: July 13, 1999
    Assignee: Stainless Services LLC
    Inventor: Stephan K. Roundtree
  • Patent number: D412262
    Type: Grant
    Filed: September 2, 1997
    Date of Patent: July 27, 1999
    Assignee: Stainless Services LLC
    Inventor: Stephan K. Roundtree