Granted Patent
Utility
US 6,791,086 · App. 10/227,135
Microspectrometer gas analyzer
Inventor:
James T. Russell
Patented Case
View Patent ↗
Granted: Sep 14, 2004
Filed: Aug 23, 2002
Inventor
James T. Russell
Assignee (at issue)
Respironics, 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.