Patents by Inventor Peter Willy Schaack

Peter Willy Schaack 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: D245872
    Type: Grant
    Filed: January 19, 1976
    Date of Patent: September 20, 1977
    Inventors: Hugh E. Baikie, Peter Willy Schaack