Patents by Inventor Martha L. Katz

Martha L. Katz 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: D326158
    Type: Grant
    Filed: March 20, 1990
    Date of Patent: May 12, 1992
    Inventors: Martha L. Katz, Richard M. Katz