Granted Patent
Utility
US 5,933,474 · App. 08/774,117
Telecommunications call preservation in the presence of control failure and high processing load
Inventor:
Lyle D. Kipp
Patented Case
View Patent ↗
Granted: Aug 3, 1999
Filed: Dec 24, 1996
Inventor
Lyle D. Kipp
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.