Granted Patent
Utility
US 6,608,961 · App. 09/812,722
Optical system including a planar waveguide
Inventor:
Adrian Travis
Patented Case
View Patent ↗
Granted: Aug 19, 2003
Filed: Mar 20, 2001
Inventor
Adrian Travis
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.