Patents by Inventor Peter W. Isherwood

Peter W. Isherwood 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: D314906
    Type: Grant
    Filed: October 9, 1987
    Date of Patent: February 26, 1991
    Assignee: Offshore Instruments Limited
    Inventor: Peter W. Isherwood