Granted Patent
Utility
US 5,796,884 · App. 08/673,631
Optical cross connect device
Inventor:
Dale T. Wingo
Patented Case
View Patent ↗
Granted: Aug 18, 1998
Filed: Jun 26, 1996
Inventor
Dale T. Wingo
Assignee (at issue)
MCI Communications 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.