Granted Patent
Utility
US 5,518,694 · App. 08/454,055
Emission quenching sensors
Inventor:
James G. Bentsen
Patented Case
View Patent ↗
Granted: May 21, 1996
Filed: May 30, 1995
Inventor
James G. Bentsen
Assignee (at issue)
Minnesota Mining and Manufacturing Company
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.