Patents by Inventor Diana V. Woehnl

Diana V. Woehnl 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: D322926
    Type: Grant
    Filed: January 18, 1989
    Date of Patent: January 7, 1992
    Assignee: Sterling Plumbing Group, Inc.
    Inventors: Paul P. Kolada, Diana V. Woehnl