Patents by Inventor Niels H. Hartz

Niels H. Hartz 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: D316099
    Type: Grant
    Filed: June 1, 1989
    Date of Patent: April 9, 1991
    Assignee: Aktiebolaget Electrolux
    Inventor: Niels H. Hartz