Inventor
GRUPP WILLIAM A
US6 patents
Patents
6 patentsUS6648757B1Nov 18, 2003
Dual-award bonus game for a gaming machine
WMS GAMING INC145 citations98
US6315660B1Nov 13, 2001
Gaming machines with board game theme
WMS GAMING INC901 citations98
US6203429B1Mar 20, 2001
Gaming machine with bonus mode
WMS GAMING INC1,409 citations98
US6159098ADec 12, 2000
Dual-award bonus game for a gaming machine
WMS GAMING INC1,548 citations98
US7195560B2Mar 27, 2007
Gaming machines with board game theme
WMS GAMING INC52 citations96
US7452271B2Nov 18, 2008
Gaming machines with board game theme
WMS GAMING INC24 citations92