Patents by Inventor Fred Rötschke

Fred Rötschke 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: 7111431
    Abstract: A watch or observation building having an observation section comprising a plurality of bullet proof panes having at least two side faces for observing surroundings. Each of these plurality of bullet proof panes lie next to one another with each face of the bullet proof panes meeting an adjacent face of an adjacent pane on a substantially vertical axis and press against each other along a horizontal direction. Each of the plurality of bullet proof panes face an observation direction such that a line perpendicular to a surface of each of said plurality of panes extends towards the different observation directions.
    Type: Grant
    Filed: January 8, 2004
    Date of Patent: September 26, 2006
    Assignee: Theisinger und Probst Bauunternehmung GmbH
    Inventors: Bernadette Stauder-Buschlinger, Fred Rötschke