Patents by Inventor Derek MacWilkinson

Derek MacWilkinson 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: D326081
    Type: Grant
    Filed: March 16, 1990
    Date of Patent: May 12, 1992
    Assignee: McDonnell Douglas Corporation
    Inventors: Richard T. Cathers, Derek MacWilkinson