Patents by Inventor Michael Ruehlemann

Michael Ruehlemann 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).

  • Illumination Device and Actively Illuminated Article
    Publication number: 20100202143
    Abstract: The present invention relates to an illumination device (20) comprising a light source (4). and at least one light transmissive film (2) arranged above said light source (4) so that at least part of the light emerging from the light source (4) is transmitted through said film (2), wherein said film (2) has a first major surface facing the light source (4) and a second major surface arranged opposite to said first surface, said light-transmissive film (2) being diffusive for transmitted light incident from the light source (4) on the first major surface and retroreflective for light incident on said second major surface.
    Type: Application
    Filed: September 3, 2008
    Publication date: August 12, 2010
    Inventors: Michael Ruehlemann, Dorothee B. Loosen
  • Retroreflective polymer coated flexible fabric material and method of manufacture
    Patent number: 5962108
    Abstract: A process and article for a retroreflective polymeric coated flexible fabric material having a retroreflective layer and a polymeric compatibilizing layer welded to a polymeric coated outer surface of a flexible fabric material. The compatibilizing layer provides an intermediate layer between the retroreflective layer and the flexible fabric material creating suitable bond strength between dissimilar polymers.
    Type: Grant
    Filed: May 2, 1995
    Date of Patent: October 5, 1999
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Susan K. Nestegard, Tzu Li Huang, James C. Coderre, James E. Lasch, Jeffrey D. Janovec, Michael Ruehlemann