Patents by Inventor Mark Scott Drelles

Mark Scott Drelles 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).

  • Chair
    Patent number: D393968
    Type: Grant
    Filed: February 26, 1997
    Date of Patent: May 5, 1998
    Assignee: Steelcase Inc.
    Inventors: Kenneth James Penning, Robert Peter Arko, Eric Thomas McClure, James P. Steffens, Mark Scott Drelles