Patents by Inventor Borje Erling Ingvar Sundberg

Borje Erling Ingvar Sundberg 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).

  • Clinchnail
    Patent number: 4058048
    Abstract: A clinchnail having an elongated shank with a head at one end and a tip portion at the other end thereof, wherein the shank is of essentially constant cross-sectional configuration throughout its length and the tip portion has a cross-sectional configuration differing from that of the shank, said tip portion being laterally offset from said shank with respect to the longitudinal axis of the shank.
    Type: Grant
    Filed: October 1, 1975
    Date of Patent: November 15, 1977
    Assignee: Nordisk Kartro Aktiebolag
    Inventor: Borje Erling Ingvar Sundberg