Inventor · disambiguated record
David P. Ball
Also filed as: BALL DAVID · BALL DAVID P
5 granted patents·177 citations·filing 1986–2000
83Inventor score
Top patents by PatentIndex Score
5 records- 0189US6361184B1Lighting device convertible between reading light and flashlight configurations and having separate light actuating switchesLUMATEC IND INC·Filed 2000·Granted Mar 26, 2002·62 cites·20 claims
- 0276US4763239ASwitched mode power suppliesTHORN EMI LIGHTING LTD·Filed 1986·Granted Aug 9, 1988·44 cites·14 claims
- 0368US6213618B1Lighting device convertible between reading light and pen light configurations and having single light actuating switchLUMATEC IND INC·Filed 1999·Granted Apr 10, 2001·33 cites·20 claims
- 0465US5111115AFluorescent lamp controllerELECTRONIC & TRANSFORMER ENGIN·Filed 1991·Granted May 5, 1992·33 cites·10 claims
- 0533US4722040ASelf-resonant inverter circuitTHORN EMI LIGHTING LTD·Filed 1986·Granted Jan 26, 1988·5 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →