Granted Patent
Utility
US 5,822,331 · App. 08/521,658
Bit error measuring apparatus
Inventors:
Hiroaki Ugawa, Atsushi Hattori
Patented Case
View Patent ↗
Granted: Oct 13, 1998
Filed: Aug 31, 1995
Inventors
Hiroaki Ugawa
Atsushi Hattori
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.