Granted Patent
Utility
US 4,881,789 · App. 07/198,979
Integrated optical coupler and connector
Inventor:
Frank H. Levinson
Patented Case
View Patent ↗
Granted: Nov 21, 1989
Filed: May 26, 1988
Inventor
Frank H. Levinson
Assignee (at issue)
FINISAR CORPORATION
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.