Granted Patent
Utility
US 5,623,541 · App. 08/344,438
Apparatus to manipulate and examine the data structure that supports digit analysis in telecommunications call processing
Inventors:
Valerie Y. Boyle, Daryl C. Lu, George L. Sicherman, Robert A. Swanson
Patented Case
View Patent ↗
Granted: Apr 22, 1997
Filed: Feb 17, 1995
Inventors
Valerie Y. Boyle
Daryl C. Lu
George L. Sicherman
Robert A. Swanson
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.