Patents Assigned to Protext, Inc.
  • Collapsible corrugated box
    Patent number: 5325602
    Abstract: A carton is provided for holding wet books and like materials during transport to and processing at a freezing and freeze drying or vacuum drying facility. The carton is fabricated as a laminated corrugated carton from a high density polymer that may be stored in a flat condition, assembled to hold the books or like and after their processing collapsed for storage. The carton have openings throughout to facilitate extraction of fluids. The cartons are reusable as many as 20 times or more.
    Type: Grant
    Filed: April 7, 1993
    Date of Patent: July 5, 1994
    Assignee: Protext, Inc.
    Inventors: Linda Nainis, Robert J. Milevski