| 12242410 |
Method and system to generate an event when a serial interface is disconnected |
— |
2025-03-04 |
| 11914542 |
Method and system to generate an event when a serial interface is disconnected |
— |
2024-02-27 |
| 9852423 |
Systems and methods for wireless authorization of transactions with mobile payment devices |
Cary Sagady, Denis Kouznetsov |
2017-12-26 |
| 9619795 |
Apparatus, system, and methods for retrofitting vending systems with wireless communication |
Thomas J. Cattani |
2017-04-11 |
| 9159182 |
Vending approval systems, methods, and apparatus using card readers |
Cary Sagady |
2015-10-13 |
| D727428 |
Vending interface controller |
Cary Sagady |
2015-04-21 |
| 8373558 |
Devices and methods for providing cashless payment and diagnostics for vending machines |
Cary Sagady |
2013-02-12 |
| 6896116 |
Bill acceptor |
David C. Deaville, Edward M. Zoladz, Jr., John D. Snider |
2005-05-24 |
| 6819781 |
Method and apparatus for optical sensor system and optical interface circuit |
— |
2004-11-16 |
| 5889883 |
Method and apparatus for optical sensor system and optical interface circuit |
— |
1999-03-30 |
| 5616915 |
Optical sensor for monitoring the status of a bill magazine in a bill validator |
Scott Hudis |
1997-04-01 |
| 5600545 |
Apparatus and method for a switching power supply with a power steering clamp |
— |
1997-02-04 |