Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6101600 | Resetting a CPU | Kenneth W. Arnold | 2000-08-08 |
| 5847546 | System and apparatus for generating a continuosly variable reference signal for controlling battery cell charging | Upal Sengupta, Robert R. Turnbull, Brian C. Fritz | 1998-12-08 |
| 5838141 | Method for generating a continuously variable reference signal for controlling battery cell charging | Upal Sengupta, Robert R. Turnbull, Brian C. Fritz | 1998-11-17 |
| 5629604 | Computer power supply system | Upal Sengupta, Robert R. Turnbull, Brian C. Fritz | 1997-05-13 |
| 5561361 | Computer power supply and battery recharging system | Upal Sengupta, Robert R. Turnbull, Brian C. Fritz | 1996-10-01 |
| 5541490 | Computer power supply system | Upal Sengupta, Robert R. Turnbull, Brian C. Fritz | 1996-07-30 |