Patents by Inventor Hakan Arvidson

Hakan Arvidson 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).

  • Frame for dust filter bags
    Patent number: D289813
    Type: Grant
    Filed: December 11, 1984
    Date of Patent: May 12, 1987
    Assignee: Flakt Aktiebolag
    Inventors: Staffan Jansson, Jan Sandberg, Hakan Arvidson, Svante Berglund