John R. Fehling

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New Hyde Park, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Battery safety device
- Patent number 5,625,273
- Issue date Apr 29, 1997
- Bren-Tronics Inc.
- John R. Fehling
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method for adapting high voltage cells or batteries for lower volt...
- Patent number 4,431,713
- Issue date Feb 14, 1984
- Duracell Inc.
- John R. Fehling
- H01 - BASIC ELECTRIC ELEMENTS