Granted Patent
Utility
US 6,587,611 · App. 09/588,773
Maintaining path integrity in an optical switch
Inventor:
Peter Hunt
Patented Case
View Patent ↗
Granted: Jul 1, 2003
Filed: Jun 6, 2000
Inventor
Peter Hunt
Assignee (at issue)
Calient Networks, 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.