Patents by Inventor Pearl Cirwithian

Pearl Cirwithian 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: D336204
    Type: Grant
    Filed: November 29, 1990
    Date of Patent: June 8, 1993
    Inventors: Delores M. Harris, Pearl Cirwithian