Granted Patent
Utility
US 4,920,537 · App. 07/215,394
Method and apparatus for non-intrusive bit error rate testing
Inventors:
Andrew S. Darling, Mark R. Testardi
Patented Case
View Patent ↗
Granted: Apr 24, 1990
Filed: Jul 5, 1988
Inventors
Andrew S. Darling
Mark R. Testardi
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.