Patents Represented by Attorney Roland De Rose
  • 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