Patents by Inventor David E. Berglund

David E. Berglund 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: 4265444
    Abstract: A sheet stacker for use in a paper feeder wherein a pair of arcuate bails are mounted within a frame in a spaced relationship, and are pivotable between a first position where the bails support a falling sheet of paper and direct it toward an output tray, and a second position where the bails are separated so as to release the sheet into the output tray.
    Type: Grant
    Filed: September 4, 1979
    Date of Patent: May 5, 1981
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: David E. Berglund