Patents by Inventor Paul E. Ylvisaker

Paul E. Ylvisaker 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: D262802
    Type: Grant
    Filed: October 22, 1979
    Date of Patent: January 26, 1982
    Inventors: Carl J. Ylvisaker, Paul E. Ylvisaker