Patents by Inventor Jan H. Schaen

Jan H. Schaen 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: D332712
    Type: Grant
    Filed: January 30, 1990
    Date of Patent: January 26, 1993
    Assignee: Jan H. Schaen
    Inventor: Jan H. Schaen