The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 20, 2006
Filed:
Sep. 27, 2003
Markus Parusel, Messel, DE;
Jann Schmidt, Darmstadt, DE;
Herbert Groothues, Weiterstadt, DE;
Wolfgang Scharnke, Darmstadt, DE;
Hans Lorenz, Darmstadt, DE;
Helmut Haering, Reinheim, DE;
Guenther Dickhaut-bayer, Riedstadt, DE;
Markus Parusel, Messel, DE;
Jann Schmidt, Darmstadt, DE;
Herbert Groothues, Weiterstadt, DE;
Wolfgang Scharnke, Darmstadt, DE;
Hans Lorenz, Darmstadt, DE;
Helmut Haering, Reinheim, DE;
Guenther Dickhaut-Bayer, Riedstadt, DE;
Roehm GmbH & Co. KG, Darmstadt, DE;
Abstract
A rear-projection screen that has at least one light-scattering polymethyl methacrylate layer in which is embedded spherical plastic particles; the previously described rear-project screen that has an additional plastic sheet that does not have embedded scattering beads; and a method of making a rear-projection screen.