Granted Patent
Utility
US 6,803,868 · App. 10/311,887
Method and apparatus of producing a digital depiction of a signal
Inventors:
Selina A Ballantyne, Adrian Coffey, Martin R. Johnson, Robin Jones
Patented Case
View Patent ↗
Granted: Oct 12, 2004
Filed: Dec 23, 2002
Inventors
Selina A Ballantyne
Adrian Coffey
Martin R. Johnson
Robin Jones
Assignee (at issue)
QINETIQ LIMITED
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.