Patents by Inventor Lars Ringdal, deceased

Lars Ringdal, deceased 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).

  • Reinforced front part for use in the manufacture of cabins/bodies for vehicles
    Patent number: 5954389
    Abstract: A reinforced front part of plastic, for use in the manufacture of cabins or bodies for vehicles in order to achieve rigidity, is molded or shaped as a box-shaped unit in one piece with an enclosure defined by at least five walls which serve as the front, bottom, bonnet, and side walls and with an open side to face the interior of the vehicle.
    Type: Grant
    Filed: December 13, 1996
    Date of Patent: September 21, 1999
    Assignee: A.S. Ringdal Patenter
    Inventors: Lars Ringdal, deceased, Jan Otto Ringdal