Patents by Inventor Manfred Siry

Manfred Siry 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).

  • Multi-layer board possessing a varnish surface, process for its production and its use
    Patent number: 4501635
    Abstract: The invention provides a multi-layer board of from 0.3 to 5.0 mm. thick, comprising an upper layer of a finishing coat which is a varnish hardened by means of electron radiation, one or more carrier films and, optionally, a backing film.
    Type: Grant
    Filed: July 1, 1983
    Date of Patent: February 26, 1985
    Assignee: Letron GmbH
    Inventors: Manfred Siry, Hans-Dieter Diesel