Granted Patent
Utility
US 5,914,019 · App. 08/836,002
Gas sensor
Inventors:
John Dodgson, Richard Iain Simpson, Malcolm Trayton Austen
Patented Case
View Patent ↗
Granted: Jun 22, 1999
Filed: Oct 14, 1997
Inventors
John Dodgson
Richard Iain Simpson
Malcolm Trayton Austen
Assignee (at issue)
Central Research Laboratories Limited
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.