Patents by Inventor Diana E. Cornwell

Diana E. Cornwell 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: D323257
    Type: Grant
    Filed: September 19, 1988
    Date of Patent: January 21, 1992
    Inventor: Diana E. Cornwell