Granted Patent
Utility
US 6,819,845 · App. 10/211,991
Optical devices with engineered nonlinear nanocomposite materials
Inventors:
Howard Wing Hoon Lee, Alan Hap Chin, William Matthew Pfenninger
Patented Case
View Patent ↗
Granted: Nov 16, 2004
Filed: Aug 2, 2002
Inventors
Howard Wing Hoon Lee
Alan Hap Chin
William Matthew Pfenninger
Assignee (at issue)
Ultradots, 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.