Granted Patent
Utility
US 6,059,289 · App. 09/346,210
Gaming machines with bonusing
Inventor:
Olaf Vancura
Patented Case
View Patent ↗
Granted: May 9, 2000
Filed: Jul 1, 1999
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.