Patents by Inventor Hans P. Zachau

Hans P. Zachau 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).

  • Chain saw
    Patent number: D558019
    Type: Grant
    Filed: March 12, 2007
    Date of Patent: December 25, 2007
    Assignee: Husqvarna AB
    Inventors: Ann Granberg, Hans P. Zachau, Kenneth Karlsson, Mattias Ossiansson