Patents by Inventor Dave Seal

Dave Seal 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).

  • Portable extractor
    Patent number: D536147
    Type: Grant
    Filed: May 4, 2005
    Date of Patent: January 30, 2007
    Assignee: Bissell Homecare, Inc.
    Inventors: Douglas J. Medema, Chad Davis, Dave Seal
  • Surface cleaner
    Patent number: D537216
    Type: Grant
    Filed: March 19, 2004
    Date of Patent: February 20, 2007
    Assignee: Bissell Homecare, Inc.
    Inventors: Chad Davis, Dave Seal, Douglas J. Medema