Granted Patent
Utility
US 4,999,148 · App. 07/397,934
Method and apparatus for making reinforced insulated electrical conductor
Inventors:
Andre Dumoulin, Michel Gervais
Patented Case
View Patent ↗
Granted: Mar 12, 1991
Filed: Aug 24, 1989
Inventors
Andre Dumoulin
Michel Gervais
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.