Patents Assigned to Silver Industries
  • Tamper-evident closure
    Patent number: 4440306
    Abstract: A tamper evident closure including a threaded cap for a threaded container neck and an enclosing cap mounted on the threaded cap. The threaded cap is provided with indicia which is permanently visible through a transparent portion or aperture in the enclosing cap after the closure is removed from the container.
    Type: Grant
    Filed: January 12, 1983
    Date of Patent: April 3, 1984
    Assignee: Silver Industries
    Inventors: E. James Van Buskirk, James Ennis