Granted Patent
Utility
US 6,348,992 · App. 09/551,685
Sterically stabilized polyene-bridged second-order nonlinear optical chromophores and devices incorporating the same
Inventors:
Cheng-Chun Zhang, Harold R. Fetterman, William Steier, Joseph Darryl Michael
Patented Case
View Patent ↗
Granted: Feb 19, 2002
Filed: Apr 18, 2000
Inventors
Cheng-Chun Zhang
Harold R. Fetterman
William Steier
Joseph Darryl Michael
Assignee (at issue)
Pacific Wave Industries, 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.