Granted Patent
Utility
US 6,069,632 · App. 08/887,829
Passageway properties: customizable protocols for entry and exit of places
Inventors:
John Martin Mullaly, Richard Edmond Berry, Scott Harlan Isensee, David John Roberts
Patented Case
View Patent ↗
Granted: May 30, 2000
Filed: Jul 3, 1997
Inventors
John Martin Mullaly
Richard Edmond Berry
Scott Harlan Isensee
David John Roberts
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.