Granted Patent
Utility
US 6,089,741 · App. 09/025,297
Apparatus and method for coupling high intensity light into low temperature optical fiber
Inventors:
Chingfa Chen, Kenneth Li, Douglas Brenner
Patented Case
View Patent ↗
Granted: Jul 18, 2000
Filed: Feb 18, 1998
Inventors
Chingfa Chen
Kenneth Li
Douglas Brenner
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.