Granted Patent
Utility
US 6,789,021 · App. 10/075,389
Method and system for detection of hydrocarbon species in a gas
Inventors:
Craig S. Rendahl, Theresa A. Foley
Patented Case
View Patent ↗
Granted: Sep 7, 2004
Filed: Feb 15, 2002
Inventors
Craig S. Rendahl
Theresa A. Foley
Assignee (at issue)
SPX Corporation
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.