Inventor · disambiguated record
David Butterworth
Also filed as: BUTTERWORTH DAVID · BUTTERWORTH DAVID J
2 granted patents·1 pending application·6 citations·filing 2011–2022
47Inventor score
Top patents by PatentIndex Score
3 records- 0184US11443524B2Systems and methods for validating sensor calibrationMOTIONAL AD LLC·Filed 2019·Granted Sep 13, 2022·6 cites·22 claims
- 0263US12067786B2Systems and methods for validating sensor calibrationMOTIONAL AD LLC·Filed 2022·Granted Aug 20, 2024·0 cites·20 claims
- 0338US2013166152A1Geographic Reference Detection and Performance ModificationBUTTERWORTH DAVID J·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →