Granted Patent
Utility
US 4,961,621 · App. 07/288,583
Optical parallel-to-serial converter
Inventor:
Shing-Fong Su
Patented Case
View Patent ↗
Granted: Oct 9, 1990
Filed: Dec 22, 1988
Inventor
Shing-Fong Su
Assignee (at issue)
GTE Laboratories Incorporated
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.