Patents by Inventor Peter W. Schaack

Peter W. 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: D250490
    Type: Grant
    Filed: September 27, 1976
    Date of Patent: December 5, 1978
    Assignee: Kenbudge Holdings Limited
    Inventors: Hugh E. Baikie, Peter W. Schaack