Granted Patent
Utility
US 5,448,616 · App. 08/099,634
Integrated bit error rate test function in analog channel unit of digital cellular network
Inventors:
John Kaewell, David M. Cooley
Patented Case
View Patent ↗
Granted: Sep 5, 1995
Filed: Jul 30, 1993
Inventors
John Kaewell
David M. Cooley
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.