Granted Patent
Utility
US 5,621,664 · App. 08/673,770
Monitoring system status
Inventor:
Peter Phaal
Patented Case
View Patent ↗
Granted: Apr 15, 1997
Filed: Jun 27, 1996
Inventor
Peter Phaal
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.