Granted Patent
Utility
US 6,804,063 · App. 10/280,149
Optical interference filter having parallel phase control elements
Inventor:
James Thompson
Patented Case
View Patent ↗
Granted: Oct 12, 2004
Filed: Oct 25, 2002
Inventor
James Thompson
Assignee (at issue)
Research Electro-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.