Granted Patent
Utility
US 6,781,757 · App. 10/126,731
Polarization insensitive tunable optical filters
Inventor:
Robert H. Cormack
Patented Case
View Patent ↗
Granted: Aug 24, 2004
Filed: Apr 19, 2002
Inventor
Robert H. Cormack
Assignee (at issue)
Micron Optics, 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.