Granted Patent
Utility
US 5,386,115 · App. 08/124,873
Solid state micro-machined mass spectrograph universal gas detection sensor
Inventors:
Carl B. Freidhoff, Robert M. Young, Saptharishi Sriram
Patented Case
View Patent ↗
Granted: Jan 31, 1995
Filed: Sep 22, 1993
Inventors
Carl B. Freidhoff
Robert M. Young
Saptharishi Sriram
Assignee (at issue)
Westinghouse Electric Company LLC
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.