Granted Patent
Utility
US 6,415,026 · App. 08/947,357
Method of and system for enhanced call waiting in a telecommunications network
Inventor:
Robert Flood, Jr.
Patented Case
View Patent ↗
Granted: Jul 2, 2002
Filed: Oct 8, 1997
Inventor
Robert Flood, Jr.
Assignee (at issue)
MCI Communications Corporation
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.