Patents Assigned to Jno H. Swisher & Son, Inc.
  • Plastic film wrapper
    Patent number: 4053046
    Abstract: A sealed overlapping edge portion of a tearable plastic film envelope is embossed with a series of closely adjacent grooves which guide a tear across the seal.
    Type: Grant
    Filed: July 29, 1976
    Date of Patent: October 11, 1977
    Assignee: Jno H. Swisher & Son, Inc.
    Inventor: Eugene Roark