Granted Patent
Utility
US 5,872,912 · App. 08/670,848
Enhanced problem alert signals
Inventors:
Curtis Brownmiller, Michael U. Bencheck, Minh Tran, Robert Branton, Mark DeMoss, Steve Landon
Patented Case
View Patent ↗
Granted: Feb 16, 1999
Filed: Jun 28, 1996
Inventors
Curtis Brownmiller
Michael U. Bencheck
Minh Tran
Robert Branton
Mark DeMoss
Steve Landon
Assignee (at issue)
MCI WorldCom. 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.