Granted Patent
Utility
US 6,747,799 · App. 09/992,849
High-efficiency low-polarization-dependent-loss lamellar diffraction-grating profile and production process
Inventors:
Larry Fabiny, Kenneth Edmund Arnett
Patented Case
View Patent ↗
Granted: Jun 8, 2004
Filed: Nov 12, 2001
Inventors
Larry Fabiny
Kenneth Edmund Arnett
Assignee (at issue)
PTS Corporation
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.