Granted Patent
Utility
US 6,728,488 · App. 10/056,452
Optical systems employing anamorphic beams and diffraction gratings
Inventors:
Song Peng, Ming Li
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: Jan 23, 2002
Inventors
Song Peng
Ming Li
Assignee (at issue)
Avanex 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.