Patents Assigned to 20th Century Plastics
  • Nylon zipper notebook binder
    Patent number: D407432
    Type: Grant
    Filed: December 22, 1997
    Date of Patent: March 30, 1999
    Assignee: 20th Century Plastics, Inc.
    Inventor: Richard B. Tell
  • Notebook binder pocket
    Patent number: D407435
    Type: Grant
    Filed: December 22, 1997
    Date of Patent: March 30, 1999
    Assignee: 20th Century Plastics, Inc.
    Inventor: Richard B. Tell
  • Zippered binder pocket
    Patent number: D418161
    Type: Grant
    Filed: October 21, 1997
    Date of Patent: December 28, 1999
    Assignee: 20th Century Plastics
    Inventor: Richard B. Tell