Upal Sengupta

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Oregon, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for battery charging
- Patent number 6,320,354
- Issue date Nov 20, 2001
- Motorola, Inc.
- Upal Sengupta
- G01 - MEASURING TESTING
Information Patent Grant
Circuit and method for detecting and indicating the state of charge...
- Patent number 5,661,393
- Issue date Aug 26, 1997
- Rayovac Corporation
- Upal Sengupta
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electrical device having a discriminating, rechargeable battery system
- Patent number 5,652,496
- Issue date Jul 29, 1997
- Rayovac Corporation
- James G. Pilarzyk
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER