Granted Patent
Utility
US 6,795,536 · App. 09/258,717
Automatic user preference selection for message playback based on caller line identification data
Inventor:
David Randall Ronca
Patented Case
View Patent ↗
Granted: Sep 21, 2004
Filed: Feb 26, 1999
Inventor
David Randall Ronca
Assignee (at issue)
Mitel 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.