Granted Patent
Utility
US 4,560,585 · App. 06/564,982
Poison resistant combustible gas sensor
Inventor:
Gul Khilnani
Patented Case
View Patent ↗
Granted: Dec 24, 1985
Filed: Dec 23, 1983
Inventor
Gul Khilnani
Assignee (at issue)
REXNORD GMBH
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.