Patents by Inventor Peter Kirschhofer

Peter Kirschhofer 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: D405793
    Type: Grant
    Filed: September 9, 1997
    Date of Patent: February 16, 1999
    Inventors: Robert M. Engelke, Peter Kirschhofer, Neil J Schmertmann