Granted Patent
Utility
US 5,263,012 · App. 07/818,314
Sub-nanosecond time difference measurement
Inventor:
James O. Muirhead
Patented Case
View Patent ↗
Granted: Nov 16, 1993
Filed: Jan 8, 1992
Inventor
James O. Muirhead
Assignee (at issue)
Hughes Aircraft Company
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.