Patents by Inventor Harald Severus-Laubenteid

Harald Severus-Laubenteid 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).

  • Process for the production of composite material
    Patent number: 4193848
    Abstract: A composite material for graphical applications, in particular for nameplate production and having foil of aluminium or one of its alloys stuck on to a support foil. This aluminium foil bears on its side facing away from the supporting layer an aluminum oxide layer, which is thick by comparison with the thickness of the aluminium foil, on top of which there is a further layer of a light sensitive plastic.
    Type: Grant
    Filed: July 20, 1978
    Date of Patent: March 18, 1980
    Assignee: Swiss Aluminium Ltd.
    Inventor: Harald Severus-Laubenteid