Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8232667 | System and method for data transmission over a power line of a switch mode power supply by frequency modulating the switch frequency thereof | Marv Hamdan | 2012-07-31 |
| 8133033 | High voltage bus capacitor pre-charger circuit | — | 2012-03-13 |
| 6364087 | Adaptive string detector for currency validators | — | 2002-04-02 |
| 5975274 | Note acceptor security system | Frank Novak | 1999-11-02 |
| 5670775 | Current-boosted positive feedback logarithmic transresistance amplifier for currency validators | Philip C. Dolsen | 1997-09-23 |