Patents Assigned to Ferdinand Gutmann & Co.
  • Child resistant closure
    Patent number: 4069935
    Abstract: A screw-on child resistant double cap closure in which the inner screw cap has printing and coloration on the exterior surface of its crown and the cover is transparent. The cover and the screw cap include two halves of a selectively engagable, normally disengaged, torque coupling.
    Type: Grant
    Filed: May 6, 1977
    Date of Patent: January 24, 1978
    Assignee: Ferdinand Gutmann & Co.
    Inventor: Alfred H. Hampel