Inventor · disambiguated record
William G. Kellen
Also filed as: KELLEN WILLIAM G
3 granted patents·216 citations·filing 1996–2003
78Inventor score
Technology areasA63F
Files withBETTINA CORP3
Top patents by PatentIndex Score
3 records- 0178US5967895APortable electronic bingo deviceBETTINA CORP·Filed 1996·Granted Oct 19, 1999·113 cites·16 claims
- 0275US7118477B1Portable electronic bingo deviceBETTINA CORP·Filed 2003·Granted Oct 10, 2006·32 cites·18 claims
- 0372US6645072B1Portable electronic bingo deviceBETTINA CORP·Filed 1999·Granted Nov 11, 2003·71 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →