Granted Patent
Utility
US 6,594,484 · App. 09/215,116
Automated access by mobile device to automated telephone information services
Inventor:
Sinclair Hamilton Hitchings
Patented Case
View Patent ↗
Granted: Jul 15, 2003
Filed: Dec 17, 1998
Inventor
Sinclair Hamilton Hitchings
Assignee (at issue)
Openwave Systems Inc.
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.