Granted Patent
Utility
US 6,018,312 · App. 09/043,444
Locating the source of an unknown signal
Inventor:
David Patrick Haworth
Patented Case
View Patent ↗
Granted: Jan 25, 2000
Filed: Mar 20, 1998
Inventor
David Patrick Haworth
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.