Patents by Inventor Francis S. O. Choe

Francis S. O. Choe 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).

  • Plastic bags
    Patent number: 4508222
    Abstract: A thermoplastic bag (7) having a gusset (3) on one side only, the gusseted side (5) and ungusseted side (6) being completely or partially folded over one another along a longitudinal axis (4) and sealed together (8) across the bottom of the bag.
    Type: Grant
    Filed: March 5, 1984
    Date of Patent: April 2, 1985
    Assignee: 501 Lamipak Industries (Europe) Ltd.
    Inventor: Francis S. O. Choe