Patents by Inventor Hans Kruchen

Hans Kruchen 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: 4903357
    Abstract: A pillow or the like having a tick filled with filling and having a corner with a button fixed thereto. The button has a shank which is riveted to a backing plate. The button bears information about the pillow.
    Type: Grant
    Filed: April 12, 1989
    Date of Patent: February 27, 1990
    Assignee: Kruchen Gmbh
    Inventors: Hans Kruchen, Ernst Kruchen