Patents by Inventor Peter De Rose

Peter De Rose 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).

  • Cutting tool for cardboard boxes
    Patent number: 4729167
    Abstract: The device is a cutting tool for opening cardboard boxes and the like including a handle with rounded ends a blade slot and an adjustment opening. There is also provided a razor blade and an adjustment device to position the blade longitudinally within the blade slot.
    Type: Grant
    Filed: October 24, 1986
    Date of Patent: March 8, 1988
    Inventor: Peter De Rose