Inventor · disambiguated record
David Stelpstra
Also filed as: STELPSTRA DAVID
1 granted patent·3 pending applications·9 citations·filing 2006–2008
31Inventor score
Top patents by PatentIndex Score
4 records- 0170US9086294B2Navigation device with adaptive navigation instructionsGEELEN PIETER·Filed 2006·Granted Jul 21, 2015·9 cites·12 claims
- 0231US2009070038A1Navigation Device with Automatic Gps Precision EnhancementGEELEN PIETER ANDREAS·Filed 2006·Application pending·0 cites
- 0326US2009177395A1Navigation device and methodSTELPSTRA DAVID·Filed 2008·Application pending·0 cites
- 0425US2007260398A1Portable navigation device with accelerometerSTELPSTRA DAVID·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →