Granted Patent
Utility
US 6,771,905 · App. 09/588,526
Optical transmission systems including optical switching devices, control apparatuses, and methods
Inventor:
Michael Bortz
Patented Case
View Patent ↗
Granted: Aug 3, 2004
Filed: Jun 6, 2000
Inventor
Michael Bortz
Assignee (at issue)
Corvis 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.