Granted Patent
Utility
US 5,193,911 · App. 07/690,714
Thermal detector device
Inventors:
Elvin Nix, Brian Holcroft, Stephen D. Etienne
Patented Case
View Patent ↗
Granted: Mar 16, 1993
Filed: Apr 24, 1991
Inventors
Elvin Nix
Brian Holcroft
Stephen D. Etienne
Assignee (at issue)
Thorn EMI plc
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.