Patents by Inventor Mary A. Collado

Mary A. Collado 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: D338675
    Type: Grant
    Filed: April 10, 1990
    Date of Patent: August 24, 1993
    Inventors: Donald Wharton, Mary A. Collado