Patents by Inventor Bjorn F. Sahlen

Bjorn F. Sahlen 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).

  • Patent number: D309795
    Type: Grant
    Filed: June 27, 1988
    Date of Patent: August 7, 1990
    Assignee: Annell Ljus och Form AB
    Inventor: Bjorn F. Sahlen