Patents by Inventor Eric W. Fagerberg

Eric W. Fagerberg 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).

  • Machine for producing bodies of conical receptacles
    Patent number: 4398904
    Abstract: A machine for winding conical bodies of receptacles in a helical manner around a conical, rotating shaping member using webs of waste paper is disclosed.
    Type: Grant
    Filed: February 27, 1981
    Date of Patent: August 16, 1983
    Assignee: Inlands Aktiebolag
    Inventor: Eric W. Fagerberg