Patents by Inventor John R. Unertl

John R. Unertl 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: D245154
    Type: Grant
    Filed: August 28, 1975
    Date of Patent: July 26, 1977
    Inventor: John R. Unertl