Granted Patent
Utility
US 6,141,089 · App. 08/979,750
Optical time domain reflectometer for measurements in optical networks with currently applied traffic signals
Inventors:
Peter Thoma, Peter Hoffmann
Patented Case
View Patent ↗
Granted: Oct 31, 2000
Filed: Nov 26, 1997
Inventors
Peter Thoma
Peter Hoffmann
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.