Granted Patent
Utility
US 6,016,344 · App. 07/335,923
Telephonic-interface statistical analysis system
Inventor:
Ronald A. Katz
Patented Case
View Patent ↗
Granted: Jan 18, 2000
Filed: Apr 10, 1989
Inventor
Ronald A. Katz
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.