Granted Patent
Utility
US 5,519,219 · App. 08/303,174
Portable filter infrared spectrometer
Inventors:
Christopher C. Alexay, William L. Truett, Christopher D. Prozzo, Barry O'Dwyer
Patented Case
View Patent ↗
Granted: May 21, 1996
Filed: Sep 8, 1994
Inventors
Christopher C. Alexay
William L. Truett
Christopher D. Prozzo
Barry O'Dwyer
Assignee (at issue)
Janos Technology 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.