Inventor · disambiguated record
L. Marggraff
Also filed as: MARGGRAFF L J · MARGGRAFF L JAMES
2 granted patents·2 pending applications·36 citations·filing 2003–2004
64Inventor score
Technology areasG09B
Files withLEAPFROG ENTPR INC4
Top patents by PatentIndex Score
4 records- 0177US6985139B2Interactive apparatus using print mediaLEAPFROG ENTPR INC·Filed 2004·Granted Jan 10, 2006·16 cites·26 claims
- 0273US7120385B2Write on interactive apparatus and methodLEAPFROG ENTPR INC·Filed 2003·Granted Oct 10, 2006·20 cites·54 claims
- 0354US2005114776A1Tutorial apparatusLEAPFROG ENTPR INC·Filed 2004·Application pending·0 cites
- 0452US2004104890A1Compact book and apparatus using print mediaLEAPFROG ENTPR INC·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →