Granted Patent
Utility
US 5,157,752 · App. 07/782,198
Optical fiber cable with intermingled water blocking means and method of making same
Inventors:
Johannes Ian Greveling, Joyce J. Fidler, David Wesley Chiasson, Michael G. Rawlyk, Michael S. Fedoroff
Patented Case
View Patent ↗
Granted: Oct 20, 1992
Filed: Oct 24, 1991
Inventors
Johannes Ian Greveling
Joyce J. Fidler
David Wesley Chiasson
Michael G. Rawlyk
Michael S. Fedoroff
Assignee (at issue)
Nortel Networks Limited
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.