Granted Patent
Utility
US 5,604,828 · App. 08/560,754
Multi-purpose optical integrated circuit
Inventor:
Henry H. Yaffe
Patented Case
View Patent ↗
Granted: Feb 18, 1997
Filed: Nov 21, 1995
Inventor
Henry H. Yaffe
Assignee (at issue)
LUCENT 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.