Sengupta; Upal
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sengupta; Upal.The latest application filed is for "method and apparatus for battery charging".
- Sengupta; Upal - Oregon WI
- Sengupta; Upal - St. Joseph MI
| Patent | Date |
|---|---|
| Method and apparatus for battery charging Grant 6,320,354 - Sengupta , et al. November 20, 2 | 2001-11-20 |
| External modular bay for housing I/O devices Grant 6,134,612 - Bailey , et al. October 17, 2 | 2000-10-17 |
| System and apparatus for generating a continuosly variable reference signal for controlling battery cell charging Grant 5,847,546 - Sengupta , et al. December 8, 1 | 1998-12-08 |
| Method for generating a continuously variable reference signal for controlling battery cell charging Grant 5,838,141 - Sengupta , et al. November 17, 1 | 1998-11-17 |
| Circuit and method for detecting and indicating the state of charge of a cell or battery Grant 5,661,393 - Sengupta August 26, 1 | 1997-08-26 |
| Computer power supply system Grant 5,629,604 - Sengupta , et al. May 13, 1 | 1997-05-13 |
| Computer power supply and battery recharging system Grant 5,561,361 - Sengupta , et al. October 1, 1 | 1996-10-01 |
| Computer power supply system Grant 5,541,490 - Sengupta , et al. July 30, 1 | 1996-07-30 |
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