Patents by Inventor Lars-Gunnar Lundstrom

Lars-Gunnar Lundstrom 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).

  • Breakdown of logs
    Patent number: 5421386
    Abstract: In a method of sawing a log where, to avoid edging, inner comers (3) are first cut out prior to sawing off the edged boards, inner corners (3) are cut out along curved lines, each with a planar smooth surface (4) and a chopped rough surface (5) which is curved, whereafter the respective board is sawed out with a curved saw cut which coincides with the respective chopped rough curved surfaces (5).
    Type: Grant
    Filed: December 8, 1993
    Date of Patent: June 6, 1995
    Assignee: Ari AB
    Inventor: Lars-Gunnar Lundstrom