Patents by Inventor Kjell Hasselas

Kjell Hasselas 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).

  • Tensioning device for chains, wire ropes etc.
    Patent number: 4157171
    Abstract: Tensioning device for chains etc.
    Type: Grant
    Filed: August 17, 1977
    Date of Patent: June 5, 1979
    Assignee: Seasafe Transport AB
    Inventor: Kjell Hasselas