Patents by Inventor Constance A. Mracna

Constance A. Mracna 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: D408138
    Type: Grant
    Filed: August 3, 1998
    Date of Patent: April 20, 1999
    Inventor: Constance A. Mracna