Granted Patent
Utility
US 5,217,258 · App. 07/872,132
Double sided break open game ticket
Inventor:
John H. Sanderson
Patented Case
View Patent ↗
Granted: Jun 8, 1993
Filed: Apr 22, 1992
Inventor
John H. Sanderson
Assignee (at issue)
Pollard Banknote Limited
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.