Granted Patent
Utility
US 4,980,891 · App. 07/455,079
Clocked optical regenerator and other optoelectronic functional circuits
Inventor:
Hossein Izadpanah
Patented Case
View Patent ↗
Granted: Dec 25, 1990
Filed: Dec 22, 1989
Inventor
Hossein Izadpanah
Assignee (at issue)
Bell Communications Research, 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.