Granted Patent
Utility
US 5,963,912 · App. 08/728,921
Telephone-based personnel tracking system
Inventor:
Penina Katz
Patented Case
View Patent ↗
Granted: Oct 5, 1999
Filed: Oct 11, 1996
Inventor
Penina Katz
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.