Granted Patent
Utility
US 5,029,974 · App. 07/468,470
Unitube optical fiber cable
Inventor:
Richard Nilsson
Patented Case
View Patent ↗
Granted: Jul 9, 1991
Filed: Jan 22, 1990
Inventor
Richard Nilsson
Assignee (at issue)
Alcatel NA Cable Systems, Inc.
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.