Patents by Inventor Andrew J. Emmerson

Andrew J. Emmerson 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).

  • Suspension file
    Patent number: D322284
    Type: Grant
    Filed: October 14, 1988
    Date of Patent: December 10, 1991
    Assignee: Carter-Parratt Limited
    Inventors: John F. Whaley, Andrew J. Emmerson
  • Lateral file
    Patent number: D322285
    Type: Grant
    Filed: October 14, 1988
    Date of Patent: December 10, 1991
    Assignee: Carter-Parratt Limited
    Inventors: John F. Whaley, Andrew J. Emmerson