Granted Patent
Utility
US 6,552,836 · App. 10/016,045
High performance polarization controller and polarization sensor
Inventor:
Peter J. Miller
Patented Case
View Patent ↗
Granted: Apr 22, 2003
Filed: Dec 11, 2001
Inventor
Peter J. Miller
Assignee (at issue)
Cambridge Research & Instrumentation, 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.