Inventor · disambiguated record
David J. Cowl
Also filed as: COWL DAVID J · COWL DAVID JOHN
8 granted patents·1 pending application·2,468 citations·filing 1996–2014
92Inventor score
Top patents by PatentIndex Score
9 records- 0198US6411899B2Position based personal digital assistantTRIMBLE NAVIGATION LTD·Filed 2001·Granted Jun 25, 2002·444 cites·50 claims
- 0298US5938721APosition based personal digital assistantTRIMBLE NAVIGATION LTD·Filed 1996·Granted Aug 17, 1999·1.3k cites·35 claims
- 0397US6266612B1Position based personal digital assistantTRIMBLE NAVIGATION LTD·Filed 1999·Granted Jul 24, 2001·496 cites·36 claims
- 0495US8264507B2Gray scale drive sequences for pulse width modulated displaysHUDSON EDWIN LYLE·Filed 2011·Granted Sep 11, 2012·17 cites·10 claims
- 0595US6088650AVehicle tracker, mileage-time monitor and calibratorTRIMBLE NAVIGATION LTD·Filed 1999·Granted Jul 11, 2000·95 cites·24 claims
- 0694US8111271B2Gray scale drive sequences for pulse width modulated displaysHUDSON EDWIN LYLE·Filed 2007·Granted Feb 7, 2012·23 cites·39 claims
- 0787US6353796B1Vehicle tracker, mileage-time monitor and calibratorTRIMBLE NAVIGATION LTD·Filed 2000·Granted Mar 5, 2002·60 cites·28 claims
- 0881US5987378AVehicle tracker mileage-time monitor and calibratorTRIMBLE NAVIGATION LTD·Filed 1996·Granted Nov 16, 1999·64 cites·34 claims
- 0948US2014368561A1Method For Modulating A Micro-Led DisplayJASPER DISPLAY CORP·Filed 2014·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →