Inventor · disambiguated record
Richard A. Levasseur
Also filed as: LEVASSEUR RICHARD · LEVASSEUR RICHARD A
3 granted patents·461 citations·filing 1992–2010
78Inventor score
Technology areasA63F
Top patents by PatentIndex Score
3 records- 0191US5154429AMethod of playing multiple action blackjackFOUR QUEENS INC·Filed 1992·Granted Oct 13, 1992·351 cites·16 claims
- 0280US5257789AMultiple action blackjackFOUR QUEENS INC·Filed 1992·Granted Nov 2, 1993·98 cites·16 claims
- 0351USD639866SGame boardLEVASSEUR RICHARD·Filed 2010·Granted Jun 14, 2011·12 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →