Patents by Inventor Alfred H. Hampel

Alfred H. Hampel 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).

  • 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