Granted Patent
Utility
US 6,762,881 · App. 10/299,031
Optical arrangement, Littrow grating for use in an optical arrangement and also use of a Littrow grating
Inventors:
Bernd Kleemann, Michel Lemaire
Patented Case
View Patent ↗
Granted: Jul 13, 2004
Filed: Nov 18, 2002
Inventors
Bernd Kleemann
Michel Lemaire
Assignee (at issue)
Carl Zeiss Laser Optics 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.