Granted Patent
Utility
US 5,577,147 · App. 08/221,130
Magnetically locatable optical fiber cables containing integrated magnetic marker materials
Inventors:
Candido J. Arroyo, Sungho Jin, Thomas T. M. Palstra
Patented Case
View Patent ↗
Granted: Nov 19, 1996
Filed: Mar 31, 1994
Inventors
Candido J. Arroyo
Sungho Jin
Thomas T. M. Palstra
Assignee (at issue)
LUCENT TECHNOLOGIES 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.