Granted Patent
Utility
US 5,745,562 · App. 08/579,174
Telephone station voice announce device and method
Inventor:
Randall J. Penning
Patented Case
View Patent ↗
Granted: Apr 28, 1998
Filed: Dec 27, 1995
Inventor
Randall J. Penning
Assignee (at issue)
LUCENT TECHNOLOGIES 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.