Patents Assigned to CALPAC Incorporated
  • Folding corrugated board carton
    Patent number: 4874125
    Abstract: A folding carton formed from a one-piece blank of corrugated board is provided with vertically extending corner gusset elements which impart substantially increased vertical crush strength thereto.
    Type: Grant
    Filed: September 12, 1988
    Date of Patent: October 17, 1989
    Assignee: CALPAC Incorporated
    Inventor: Howard M. Bates