Granted Patent
Utility
US 5,487,111 · App. 08/099,114
Telecommunications system sequence calling
Inventor:
Ronald D. Slusky
Patented Case
View Patent ↗
Granted: Jan 23, 1996
Filed: Jul 29, 1993
Inventor
Ronald D. Slusky
Assignee (at issue)
AT & T IPM Corp.
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.