Granted Patent
Utility
US 6,687,436 · App. 09/878,635
Optical fiber with numerical aperture compression
Inventor:
Stephen E. Griffin
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Jun 11, 2001
Inventor
Stephen E. Griffin
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.