Granted Patent
Utility
US 6,602,138 · App. 09/825,000
System for linking a unique identifier to an instant game ticket
Inventor:
James L. Nulph
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: Apr 2, 2001
Inventor
James L. Nulph
Assignee (at issue)
Scientific Games, LLC
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.