Patents by Inventor Max Klaiber

Max Klaiber 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).

  • Tamper-proof container closure
    Patent number: 4899897
    Abstract: A container closure in the form of a stopper is provided in which an outer wall engages exteriorly of the wall of the container. A tamper-proof ring is secured to the underside thereof by means of tear-off webs. The internal cylindrical surface of the ring comprises tabs directed obliquely inwardly and in the direction of the opening.
    Type: Grant
    Filed: August 3, 1989
    Date of Patent: February 13, 1990
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Jean-Pierre Buttiker, Max Klaiber