Inventor · disambiguated record
John Devaull
Also filed as: DEVAULL JOHN W
2 granted patents·1 pending application·128 citations·filing 2001–2004
69Inventor score
Technology areasG07F
Files withWMS GAMING INC2
Top patents by PatentIndex Score
3 records- 0177US6739971B2Bonus accumulator for chance gameWMS GAMING INC·Filed 2001·Granted May 25, 2004·74 cites·27 claims
- 0276US7654897B2Bonus accumulator for a wagering gameWMS GAMING INC·Filed 2003·Granted Feb 2, 2010·54 cites·10 claims
- 0343US2004214631A1Bonus accumulator for chance gameFiled 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →