Granted Patent
Utility
US 6,798,814 · App. 10/205,567
Gas discharge laser, method of operating a gas discharge laser, and use of a sintered filter
Inventors:
Stephan Geiger, Claus Strowitzki, Tobias Pflanz, Ansgar Matern, Thomas Petracek, Martin Kappels, Andreas Goertler
Patented Case
View Patent ↗
Granted: Sep 28, 2004
Filed: Jul 25, 2002
Inventors
Stephan Geiger
Claus Strowitzki
Tobias Pflanz
Ansgar Matern
Thomas Petracek
Martin Kappels
Andreas Goertler
Assignee (at issue)
Tui Laser AG
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.