Granted Patent
Utility
US 6,650,733 · App. 10/278,602
Method of providing 911 service to a private branch exchange
Inventors:
John Joseph Savaglio, Richard Bruce Fowier
Patented Case
View Patent ↗
Granted: Nov 18, 2003
Filed: Oct 23, 2002
Inventors
John Joseph Savaglio
Richard Bruce Fowier
Assignee (at issue)
AMERITECH LLC
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.