| 6329856 |
Method and apparatus for tracking and controlling voltage and current transitions |
John Tabler, Kenneth C. Adkins, Theodore M. Myers, Andrew Jenkins |
2001-12-11 |
| 4998203 |
Postage meter with a non-volatile memory security circuit |
Peter C. DiGiulio, Henry Stalzer |
1991-03-05 |
| 4827205 |
On-chip voltage supply regulator |
John R. Lowdenslager |
1989-05-02 |
| 4747057 |
Electronic postage meter having power up and power down protection circuitry |
Peter C. DiGiulio, Henry Stalzer |
1988-05-24 |
| 4746818 |
Circuit for maintaining the state of an output despite changes in the state of input |
— |
1988-05-24 |
| 4706159 |
Multiple power supply overcurrent protection circuit |
— |
1987-11-10 |
| 4701856 |
Reset delay circuit for an electronic postage meter |
Peter C. DiGiulio, Henry Stalzer |
1987-10-20 |
| 4686388 |
Integrated circuit substrate bias selection circuit |
— |
1987-08-11 |
| 4675550 |
Mode detection circuit for a dual purpose analog input |
— |
1987-06-23 |