Granted Patent
Utility
US 5,359,645 · App. 08/058,452
Voice-data telephonic interface control system
Inventor:
Ronald A. Katz
Patented Case
View Patent ↗
Granted: Oct 25, 1994
Filed: May 7, 1993
Inventor
Ronald A. Katz
Assignee (at issue)
FIRST DATA 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.