Patents by Inventor Diana L. Protzek

Diana L. Protzek 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: D387453
    Type: Grant
    Filed: March 8, 1996
    Date of Patent: December 9, 1997
    Inventor: Diana L. Protzek