Inventor · disambiguated record
Richard G. Maddrell
Also filed as: MADDRELL RICHARD · MADDRELL RICHARD G
4 granted patents·2 pending applications·188 citations·filing 1996–2024
76Inventor score
Top patents by PatentIndex Score
6 records- 0186US6041215AMethod for making an electronic book for producing audible sounds in response to visual indiciaPUBLICATIONS INT LTD·Filed 1998·Granted Mar 21, 2000·100 cites·44 claims
- 0284US5803748AApparatus for producing audible sounds in response to visual indiciaPUBLICATIONS INT LTD·Filed 1996·Granted Sep 8, 1998·88 cites·66 claims
- 0371US12498633B2Projector with audio and animationCOTTAGE DOOR PRESS LLC·Filed 2024·Granted Dec 16, 2025·0 cites·20 claims
- 0451US2005180809A1Apparatus and method for securing print mediaPUBLICATIONS INT LTD·Filed 2004·Application pending·0 cites
- 0541US10308061B2Book with greeting card coverMADDRELL RICHARD G·Filed 2015·Granted Jun 4, 2019·0 cites·20 claims
- 0641US2021347192A1Book with resilient elementCOTTAGE DOOR PRESS LLC·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →