Granted Patent
Utility
US 6,091,069 · App. 09/043,793
Infrared optical system
Inventors:
Timothy Ashley, Charles T. Elliott, Neil Thomson Gordon, Ralph S. Hall
Patented Case
View Patent ↗
Granted: Jul 18, 2000
Filed: Mar 27, 1998
Inventors
Timothy Ashley
Charles T. Elliott
Neil Thomson Gordon
Ralph S. Hall
Assignee (at issue)
The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland
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.