Patents by Inventor Roger R. Piegeau

Roger R. Piegeau 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).

  • Attachment for box making machine
    Patent number: 4932931
    Abstract: In a folder gluer collapsable box making machine, a self-driven endless chain is mounted on sprockets on a small frame and is equipped with push plates and lifters such that when pre-cut box board moves along the conveyor of a box-making machine, the front of the pre-cut box board hits a pusher and moves the chain in a forward direction while the folder lifter arms abuts the rear portion of the box board and folds over the rear ends and/or flaps.
    Type: Grant
    Filed: October 27, 1988
    Date of Patent: June 12, 1990
    Inventors: Roger R. Piegeau, Fred Schuster