Granted Patent
Utility
US 6,317,412 · App. 08/989,466
Increased capacity in an OCDMA system for frequency isolation
Inventors:
Francis D. Natali, John E. Ohlson
Patented Case
View Patent ↗
Granted: Nov 13, 2001
Filed: Dec 12, 1997
Inventors
Francis D. Natali
John E. Ohlson
Assignee (at issue)
Stanford Telecommunications, 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.