Patents by Inventor David Stirling Clelland

David Stirling Clelland 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: D484805
    Type: Grant
    Filed: June 6, 2002
    Date of Patent: January 6, 2004
    Assignee: The Dial Corporation
    Inventors: Joseph Calvin Colangelo, Heather A. Schneider, David Stirling Clelland