Patents by Inventor John Hunter Pemberton

John Hunter Pemberton 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).

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    Patent number: D243191
    Type: Grant
    Filed: June 25, 1975
    Date of Patent: January 25, 1977
    Assignee: Sinclair Radionics Limited
    Inventor: John Hunter Pemberton
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    Patent number: D245108
    Type: Grant
    Filed: May 6, 1976
    Date of Patent: July 19, 1977
    Assignee: Sinclair Radionics Limited
    Inventor: John Hunter Pemberton