IP Library › Granted Patent US 5,818,909
Granted Patent Utility
US 5,818,909 · App. 08/718,668

Agent speech detector system and method for use with a telephonic switch

Inventors: Paul E. Van Berkum, Doug Gisby
Patented Case View Patent ↗
Granted: Oct 6, 1998 Filed: Sep 27, 1996
Inventors
Paul E. Van Berkum
Doug Gisby

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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 5,818,909
App. No.
08/718,668
Filed
1996-09-27
Granted
1998-10-06
Kind
A