Granted Patent
Utility
US 5,712,973 · App. 08/650,205
Wireless proximity containment security
Inventors:
Richard A. Dayan, Joseph P. McGovern, Palmer E. Newman
Patented Case
View Patent ↗
Granted: Jan 27, 1998
Filed: May 20, 1996
Inventors
Richard A. Dayan
Joseph P. McGovern
Palmer E. Newman
Assignee (at issue)
International Business Machines 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.