Granted Patent
Utility
US 6,714,575 · App. 10/091,389
Optical modulator system
Inventor:
Gary A. Evans
Patented Case
View Patent ↗
Granted: Mar 30, 2004
Filed: Mar 5, 2002
Inventor
Gary A. Evans
Assignee (at issue)
PHOTODIGM 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.