Granted Patent
Utility
US 5,371,815 · App. 08/150,513
Low-loss dual-mode optical fiber compensators
Inventor:
Craig D. Poole
Patented Case
View Patent ↗
Granted: Dec 6, 1994
Filed: Nov 9, 1993
Inventor
Craig D. Poole
Assignee (at issue)
AT&T CORP.
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.