Patents by Inventor Doris J. Warwick

Doris J. Warwick 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: D567544
    Type: Grant
    Filed: August 30, 2007
    Date of Patent: April 29, 2008
    Inventor: Doris J. Warwick