Granted Patent
Utility
US 6,559,800 · App. 10/054,302
Position location using broadcast analog television signals
Inventors:
Matthew Rabinowitz, James J. Spilker, Jr.
Patented Case
View Patent ↗
Granted: May 6, 2003
Filed: Jan 22, 2002
Inventors
Matthew Rabinowitz
James J. Spilker, Jr.
Assignee (at issue)
Rosum Corporation
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.