Granted Patent
Utility
US 6,310,686 · App. 09/447,878
Raman probe with spatial filter and semi-confocal lens
Inventor:
Yanan Jiang
Patented Case
View Patent ↗
Granted: Oct 30, 2001
Filed: Nov 23, 1999
Inventor
Yanan Jiang
Assignee (at issue)
SpectraCode, 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.