Granted Patent
Utility
US 5,757,993 · App. 08/767,433
Method and optical system for passing light between an optical fiber and grin lens
Inventor:
Koichi Abe
Patented Case
View Patent ↗
Granted: May 26, 1998
Filed: Dec 16, 1996
Inventor
Koichi Abe
Assignee (at issue)
JDS Fitel 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.