Granted Patent
Utility
US 6,603,902 · App. 09/666,412
Wavelength selective variable reflector
Inventor:
Vincent So
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: Sep 20, 2000
Inventor
Vincent So
Assignee (at issue)
BTI Photonics 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.