Granted Patent
Utility
US 6,833,922 · App. 10/028,723
Optical path structure for open path emissions sensing with opposed sources
Inventors:
John DiDomenico, Robert A. Gentala, Craig S. Rendahl
Patented Case
View Patent ↗
Granted: Dec 21, 2004
Filed: Dec 28, 2001
Inventors
John DiDomenico
Robert A. Gentala
Craig S. Rendahl
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.