Granted Patent
Utility
US 6,784,946 · App. 09/857,331
Assembly, in which light from a light source is directed onto a surface
Inventors:
Gudrun Schröter, Christfried Symanowski
Patented Case
View Patent ↗
Granted: Aug 31, 2004
Filed: Jun 4, 2001
Inventors
Gudrun Schröter
Christfried Symanowski
Assignee (at issue)
Carl Zeiss Jena GmbH
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.