Patents by Inventor Michael J. Parfitt

Michael J. Parfitt 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: D333924
    Type: Grant
    Filed: November 29, 1989
    Date of Patent: March 16, 1993
    Assignee: Transaid Pty. Ltd.
    Inventors: Michael J. Parfitt, Frank Parfitt