Granted Patent
Utility
US 6,616,304 · App. 09/969,031
Temperature control for arc lamps
Inventor:
Kenneth Li
Patented Case
View Patent ↗
Granted: Sep 9, 2003
Filed: Oct 3, 2001
Inventor
Kenneth Li
Assignee (at issue)
Cogent Light Technologies, 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.