Inventor · disambiguated record
Preston D. Brown
Also filed as: BROWN PRESTON · BROWN PRESTON D · BROWN PRESTON DOUGLAS
11 granted patents·3 pending applications·760 citations·filing 1989–2024
93Inventor score
Top patents by PatentIndex Score
14 records- 0197US5412308ADual voltage power supplyHEWLETT PACKARD CORP·Filed 1994·Granted May 2, 1995·246 cites·13 claims
- 0295US6903662B2Computer input device with individually positionable and programmable input membersERGODEX·Filed 2002·Granted Jun 7, 2005·164 cites·48 claims
- 0391US7157651B2Independently positionable and programmable key switchesERGODEX INC·Filed 2004·Granted Jan 2, 2007·68 cites·29 claims
- 0486US5075792ALow power optical transceiver for portable computing devicesHEWLETT PACKARD CO·Filed 1989·Granted Dec 24, 1991·99 cites·6 claims
- 0583US11886638B2External user interface for head worn computingMENTOR ACQUISITION ONE LLC·Filed 2021·Granted Jan 30, 2024·1 cites·21 claims
- 0683US11003246B2External user interface for head worn computingMENTOR ACQUISITION ONE LLC·Filed 2015·Granted May 11, 2021·3 cites·20 claims
- 0782US2025147588A1External user interface for head worn computingMENTOR ACQUISITION ONE LLC·Filed 2024·Application pending·0 cites
- 0880US12216821B2External user interface for head worn computingMENTOR ACQUISITION ONE LLC·Filed 2023·Granted Feb 4, 2025·0 cites·20 claims
- 0978US5602455APortable battery charger with integrally attached output cableHEWLETT PACKARD CO·Filed 1994·Granted Feb 11, 1997·80 cites·14 claims
- 1073US5909144ADigital method and apparatus for reducing EMI emissions in digitally-clocked systemsHEWLETT PACKARD CO·Filed 1997·Granted Jun 1, 1999·43 cites·5 claims
- 1165USD652160SLED grow lightBROWN PRESTON DOUGLAS·Filed 2010·Granted Jan 10, 2012·16 cites·1 claims
- 1262US5736893ADigital method and apparatus for reducing EMI emissions in digitally-clocked systemsHEWLETT PACKARD CO·Filed 1996·Granted Apr 7, 1998·40 cites·21 claims
- 1344US2007108034A1Independently positionable and programmable key switchesERGODEX INC·Filed 2006·Application pending·0 cites
- 1436US2005083318A1Computer input device with individually positionable and programmable input membersFiled 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →