Lee Chappell

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Church Hill, TN, US

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Patents Grantslast 30 patents

Information Patent Grant
Frequency modulated self-oscillating switching power supply
- Patent number 6,728,117
- Issue date Apr 27, 2004
- Koninklijke Philips Electronics N.V.
- Marcel F. C. Schemmann
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Frequency modulated self-oscillating switching power supply
- Publication number 20030128555
- Publication date Jul 10, 2003
- Koninklijke Philips Electronics N.V.
- Marcel F.C. Schemmann
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER