Granted Patent
Utility
US 5,818,575 · App. 08/835,845
Lamp stablity diagnostic system
Inventor:
Michael Creighton
Patented Case
View Patent ↗
Granted: Oct 6, 1998
Filed: Apr 30, 1997
Inventor
Michael Creighton
Assignee (at issue)
SVG Lithography Systems, Inc.
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.