Patents by Inventor Robert Ivor Williams

Robert Ivor Williams 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).

  • Boot dryer
    Patent number: D412231
    Type: Grant
    Filed: July 10, 1998
    Date of Patent: July 20, 1999
    Assignee: Williams Boot & Glove Dryers Inc.
    Inventors: Gary Albert Williams, Robert Ivor Williams