Granted Patent
Utility
US 5,065,140 · App. 07/666,336
Early warning reactive gas detection system
Inventor:
Glen G. Neuburger
Patented Case
View Patent ↗
Granted: Nov 12, 1991
Filed: Mar 8, 1991
Inventor
Glen G. Neuburger
Assignee (at issue)
Bell Communications Research, 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.