Granted Patent
Utility
US 6,565,235 · App. 09/983,213
Folding an arc into itself to increase the brightness of an arc lamp
Inventor:
Kenneth Li
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: Oct 23, 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.