Granted Patent
Utility
US 4,604,497 · App. 06/707,765
Electrical conductor for telecommunications cable
Inventors:
John M. Bell, Peter Schmidt
Patented Case
View Patent ↗
Granted: Aug 5, 1986
Filed: Mar 4, 1985
Inventors
John M. Bell
Peter Schmidt
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.