Granted Patent
Utility
US 6,256,439 · App. 09/320,205
Lubricant for central core fiber optic cable having stranded ribbons
Inventors:
Robert J. Brown, Jim J. Sheu
Patented Case
View Patent ↗
Granted: Jul 3, 2001
Filed: May 26, 1999
Inventors
Robert J. Brown
Jim J. Sheu
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.