Granted Patent
Utility
US 5,835,576 · App. 08/844,000
Telephonic-interface lottery device
Inventor:
Ronald A. Katz
Patented Case
View Patent ↗
Granted: Nov 10, 1998
Filed: Apr 18, 1997
Inventor
Ronald A. Katz
Assignee (at issue)
Ronald A. Katz Technology Licensing, L.P.
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.