Granted Patent
Utility
US 5,553,120 · App. 08/073,585
Telephonic-interface game control system
Inventor:
Ronald A. Katz
Patented Case
View Patent ↗
Granted: Sep 3, 1996
Filed: Jun 7, 1993
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.