Granted Patent
Utility
US 6,728,688 · App. 09/555,189
Method and communication system for handling alarms using a management network having a number of management levels
Inventors:
Lucian Hirsch, Alfred Schmidbauer
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: May 25, 2000
Inventors
Lucian Hirsch
Alfred Schmidbauer
Assignee (at issue)
Siemens Aktiengesellschaft
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.