Granted Patent
Utility
US 6,119,022 · App. 08/819,787
System for alerting portable communication device user of incoming call
Inventors:
William R. Osborn, David R. Irvin
Patented Case
View Patent ↗
Granted: Sep 12, 2000
Filed: Mar 18, 1997
Inventors
William R. Osborn
David R. Irvin
Assignee (at issue)
ERICSSON GMBH
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.