Granted Patent
Utility
US 5,911,019 · App. 08/923,713
Method for upgrading a hybrid fiber coax network to an all fiber network
Inventor:
Leonard G. Cohen
Patented Case
View Patent ↗
Granted: Jun 8, 1999
Filed: Sep 4, 1997
Inventor
Leonard G. Cohen
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.