Granted Patent
Utility
US 6,609,971 · App. 09/908,657
Prolonged casino game method and apparatus
Inventor:
Olaf Vancura
Patented Case
View Patent ↗
Granted: Aug 26, 2003
Filed: Jul 18, 2001
Inventor
Olaf Vancura
Assignee (at issue)
Mikohn Gaming 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.