Inventor · disambiguated record
William K. Bertram
Also filed as: BERTRAM WILLIAM · BERTRAM WILLIAM K · BERTRAM WILLIAM KEITH
19 granted patents·6 pending applications·2,873 citations·filing 1985–2017
97Inventor score
Top patents by PatentIndex Score
25 records- 0198US7575517B2Techniques for generating random awards using a plurality of average valuesGAMING ENHANCEMENTS INC·Filed 2005·Granted Aug 18, 2009·333 cites·28 claims
- 0298US5796389AReduced noise touch screen apparatus and methodINT GAME TECH·Filed 1995·Granted Aug 18, 1998·382 cites·9 claims
- 0396US10493329B1Golf ball tracking system and methodLUCIANO JR ROBERT A·Filed 2017·Granted Dec 3, 2019·17 cites·13 claims
- 0495US6537150B1Gaming devices having reverse-mapped game setSIERRA DESIGN GROUP·Filed 1999·Granted Mar 25, 2003·890 cites·1 claims
- 0593US6541921B1Illumination intensity control in electroluminescent displaySIERRA DESIGN GROUP·Filed 2001·Granted Apr 1, 2003·85 cites·73 claims
- 0692US5393067ASystem, method and apparatus for generating large jackpots on live game card tablesIGT RENO NEV·Filed 1993·Granted Feb 28, 1995·438 cites·45 claims
- 0789US4911449AReel monitoring device for an amusement machineI G T·Filed 1985·Granted Mar 27, 1990·250 cites·61 claims
- 0888US6734843B2Reduced noise touch screen apparatus and methodIGT RENO NEV·Filed 2002·Granted May 11, 2004·40 cites·19 claims
- 0987US7628691B2Dynamic paytable for interactive gamesLUCIANO JR ROBERT A·Filed 2002·Granted Dec 8, 2009·95 cites·12 claims
- 1086US7887415B2Random payout while maintaining the progressive prize pool at the predetermined average pool sizeGAMING ENHANCEMENTS INC·Filed 2007·Granted Feb 15, 2011·15 cites·24 claims
- 1185US6476798B1Reduced noise touch screen apparatus and methodINT GAME TECH·Filed 1994·Granted Nov 5, 2002·85 cites·10 claims
- 1282US5058893AReel monitoring device for an amusement machineIGT RENO NEV·Filed 1990·Granted Oct 22, 1991·131 cites·79 claims
- 1381US7871328B2Random pay using non-gaming revenueGAMING ENHANCEMENTS INC·Filed 2007·Granted Jan 18, 2011·9 cites·20 claims
- 1474US4660833AReel monitoring and diagnostic device for an amusement machineIGT RENO NEV·Filed 1985·Granted Apr 28, 1987·76 cites·14 claims
- 1569US8715064B2Dynamic paytable for interactive gamesLUCIANO JR ROBERT A·Filed 2009·Granted May 6, 2014·1 cites·21 claims
- 1669US7811168B2Random pay gaming system using weighting function with maximum, minimum, and average valueGAMING ENHANCEMENT INC·Filed 2003·Granted Oct 12, 2010·22 cites·74 claims
- 1766US8814659B2Techniques for generating a random awards using a plurality of average valuesPARHAM TYLER THOMAS·Filed 2009·Granted Aug 26, 2014·3 cites·24 claims
- 1857US9501900B2Gaming system and method combining RNG-based machines and hybrid finite pool-based machinesJKT GAMING INC·Filed 2014·Granted Nov 22, 2016·1 cites·19 claims
- 1956US2014235331A1Dynamic paytable for interactive gamesBALLY GAMING INC·Filed 2014·Application pending·0 cites
- 2055US2014364195A1Techniques for generating a random awards using a plurality of average valuesGAMING ENHANCEMENTS INC·Filed 2014·Application pending·0 cites
- 2153US2007087808A1Expanded Primary Payout Indicator System And MethodBALLY GAMING INC·Filed 2006·Application pending·0 cites
- 2253US2007087807A1Expanded Primary Payout Indicator Gaming Machine And MethodBALLY GAMING INC·Filed 2006·Application pending·0 cites
- 2353US2007087806A1Expanded Primary Payout Indicator Game And MethodBALLY GAMING INC·Filed 2006·Application pending·0 cites
- 2450US2011130196A1Techniques for Awarding Random Rewards in a Reward ProgramGAMING ENHANCEMENTS INC·Filed 2011·Application pending·0 cites
- 2533US8544560B2Drive mechanismBERTRAM WILLIAM·Filed 2009·Granted Oct 1, 2013·0 cites·25 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →