| 9852423 |
Systems and methods for wireless authorization of transactions with mobile payment devices |
Joseph A. Simpkins, Denis Kouznetsov |
2017-12-26 |
| 9245269 |
Unattended retail systems, methods and devices for linking payments, loyalty, and rewards |
Denis Kouznetsov |
2016-01-26 |
| 9159182 |
Vending approval systems, methods, and apparatus using card readers |
Joseph A. Simpkins |
2015-10-13 |
| D727428 |
Vending interface controller |
Joseph A. Simpkins |
2015-04-21 |
| 8373558 |
Devices and methods for providing cashless payment and diagnostics for vending machines |
Joseph A. Simpkins |
2013-02-12 |
| 7053773 |
Vending audit system |
Patrick J. McGarry, Kevin Rabinovitch, Darren Walker |
2006-05-30 |
| 6155398 |
Detection system |
— |
2000-12-05 |
| 6052453 |
Coin operated telephone auditor |
Robert C. Lamb, Michael S. Zemanik |
2000-04-18 |
| 5896446 |
Coin operated telephone auditor |
Robert C. Lamb, Michael S. Zemanik, John L. Tansky |
1999-04-20 |
| 5213190 |
Method and apparatus for testing coins |
David Michael Furneaux, Timothy Waite, John Bailey, Alan Ralph, Michael Chittleborough |
1993-05-25 |