Patents by Inventor Leopoldine R. Denk

Leopoldine R. Denk 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: D256735
    Type: Grant
    Filed: March 8, 1979
    Date of Patent: September 2, 1980
    Inventor: Leopoldine R. Denk