Granted Patent
Utility
US 5,729,347 · App. 08/744,420
Optical wavelength measurement system
Inventor:
Vincent So
Patented Case
View Patent ↗
Granted: Mar 17, 1998
Filed: Nov 8, 1996
Inventor
Vincent So
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.