Patents by Inventor David Lawrence Whittenton

David Lawrence Whittenton 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: D431535
    Type: Grant
    Filed: November 6, 1998
    Date of Patent: October 3, 2000
    Assignee: Nordson Corporation
    Inventors: Roman James Kubis, Michael C. Mayne, David Lawrence Whittenton