Patents by Inventor Alexander Dietrich

Alexander Dietrich 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: 5701714
    Abstract: A grille-type guard system, in particular a wrought iron grating assembly, includes a plurality of longitudinal bars in spaced-apart disposition, and a plurality of crossbars which are connected to the longitudinal bars at crossing points. The crossbars are formed at each crossing point with an arched section for receiving the longitudinal bars at least partially in a form-fitting manner, with the securement between the crossbars and the longitudinal bars being effected in each crossing point in non-detachable manner by a screw fastener that is received in aligned bores of the longitudinal bar and crossbar.
    Type: Grant
    Filed: April 24, 1996
    Date of Patent: December 30, 1997
    Assignee: bima Industrie-Service GmbH
    Inventor: Alexander Dietrichs