Patents by Inventor Hans J. Sufke

Hans J. Sufke 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).

  • Facade plate composed of a composite glass structure
    Patent number: 4793112
    Abstract: A composite glass facade plate or panel has bores formed directly in an inner glass pane thereof through which fastening screws pass via the intermediary of sleeves or bushings. The bores are undercut and the screws have heads complementary to the undercut. Hangers, brackets or the like are affixed to the shanks of the screws projecting from the inner surfaces of the panels.
    Type: Grant
    Filed: March 25, 1988
    Date of Patent: December 27, 1988
    Assignee: Flachglas Aktiengesellschaft
    Inventor: Hans J. Sufke