Patents by Inventor Keith J. Newmark

Keith J. Newmark 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: D323133
    Type: Grant
    Filed: October 26, 1989
    Date of Patent: January 14, 1992
    Assignee: Keith Newmark Limited
    Inventor: Keith J. Newmark