Granted Patent
Utility
US 6,375,569 · App. 09/075,153
Operation of gaming machines in a linked bonus prize winning mode
Inventor:
John F. Acres
Patented Case
View Patent ↗
Granted: Apr 23, 2002
Filed: May 8, 1998
Inventor
John F. Acres
Assignee (at issue)
Acres Gaming Incorporated
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.