Granted Patent
Utility
US 6,600,608 · App. 09/434,702
Catadioptric objective comprising two intermediate images
Inventors:
David Shafer, Alois Herkommer, Karl-Heinz Schuster, Gerd Furter, Rudolf Von Bünau, Wilhelm Ulrich
Patented Case
View Patent ↗
Granted: Jul 29, 2003
Filed: Nov 5, 1999
Inventors
David Shafer
Alois Herkommer
Karl-Heinz Schuster
Gerd Furter
Rudolf Von Bünau
Wilhelm Ulrich
Assignee (at issue)
Carl Zeiss Stiftung
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.