Inventor · disambiguated record
Robert J. Piechowiak
Also filed as: PIECHOWIAK ROBERT J
13 granted patents·1 pending application·4,505 citations·filing 1994–2012
96Inventor score
Top patents by PatentIndex Score
14 records- 0196US6012982ABonus award feature in linked gaming machines having a common feature controllerSIGMA GAME INC·Filed 1996·Granted Jan 11, 2000·1.2k cites·26 claims
- 0296US5580309ALinked gaming machines having a common feature controllerSIGMA GAME INC·Filed 1994·Granted Dec 3, 1996·772 cites·25 claims
- 0395US6595856B1Electronic security technique for gaming softwareSIGMA GAME INC·Filed 2000·Granted Jul 22, 2003·231 cites·36 claims
- 0495US6168523B1Bonus award feature in a gaming machineSIGMA GAME INC·Filed 1998·Granted Jan 2, 2001·959 cites·19 claims
- 0592US5807172AThree reel slot machine with nine ways to winSIGMA GAME INC·Filed 1996·Granted Sep 15, 1998·687 cites·5 claims
- 0690US8348754B2Slot machine having multiple progressive jackpotsMULTIMEDIA GAMES INC·Filed 2012·Granted Jan 8, 2013·16 cites·16 claims
- 0789US7481430B1Slot machine having multiple progressive jackpotsMULTIMEDIA GAMES INC·Filed 2000·Granted Jan 27, 2009·131 cites·37 claims
- 0877US6110040AVideo poker machine with revealed sixth cardSIGMA GAME INC·Filed 1998·Granted Aug 29, 2000·105 cites·22 claims
- 0975US6984173B1Slot machine using a count valve to award bonus gameMULTIMEDIA GAMES INC·Filed 1998·Granted Jan 10, 2006·176 cites·11 claims
- 1074US6755737B2Gaming machine having bonus gameSIGMA GAME INC·Filed 2001·Granted Jun 29, 2004·46 cites·23 claims
- 1173US8128489B2Slot machine having multiple progressive jackpotsJACKSON JAMES P·Filed 2009·Granted Mar 6, 2012·6 cites·21 claims
- 1271US6558253B1Slot machine with award multiplier displaySIGMA GAME INC·Filed 1998·Granted May 6, 2003·155 cites·27 claims
- 1364US8298089B2Systems and methods for server based lottery and casino gaming machines including a remote displayMERATI BRUCE·Filed 2007·Granted Oct 30, 2012·1 cites·29 claims
- 1446US2008096630A1Systems and methods for server based lottery and casino gaming machinesNEXT GAMING LLC·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →