Granted Patent
Utility
US 4,577,403 · App. 06/738,714
Manufacture of telecommunications cable core units
Inventor:
John N. Garner
Patented Case
View Patent ↗
Granted: Mar 25, 1986
Filed: May 29, 1985
Inventor
John N. Garner
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.