Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7705712 | Smart card receiver and system for pulsed RF fields | Kevin J. Page, Don P. Plum, Joseph V J Ravenis, II | 2010-04-27 |
| 7437560 | Method and apparatus for establishing a secure smart card communication link through a communication network | Kevin J. Page, Don P. Plum, Joseph V J Ravenis, II, David R. Carta | 2008-10-14 |
| 7376839 | Smart card access control system | David R. Carta, Joseph V J Ravenis, II | 2008-05-20 |
| 7075411 | Smart card fast-clamping receiver for pulsed RF fields | Kevin J. Page, Don P. Plum, Joseph V J Ravenis, II | 2006-07-11 |
| 6801787 | Portable smart card communication device | Kevin J. Page, David R. Carta, Don P. Plum, Joseph V J Ravenis, II | 2004-10-05 |
| 6727802 | Anti-tear protection for smart card transactions | Kevin J. Page, Don P. Plum, Joseph V J Ravenis, II | 2004-04-27 |
| 6547148 | Contactless proximity automated data collection system and method with collision resolution | Kevin J. Page, Don P. Plum, Joseph V J Ravenis, II | 2003-04-15 |
| 6480101 | Contactless proximity automated data collection system and method | Kevin J. Page, Don P. Plum, Joseph V J Ravenis, II | 2002-11-12 |
| 6259769 | Portable smart card communication device | Kevin J. Page, Don P. Plum, Joseph V J Ravenis, II, David R. Carta | 2001-07-10 |
| 6097292 | Contactless proximity automated data collection system and method | Kevin J. Page, Don P. Plum, Joseph V J Ravenis, II | 2000-08-01 |
| 6010074 | Contactless proximity automated data collection system and method with collision resolution | Kevin J. Page, Don P. Plum, Joseph V J Ravenis, II | 2000-01-04 |
| 5612684 | Mass transit inductive data communication system | Charles J. Ingram | 1997-03-18 |
| 5574441 | Mass transit inductive data communication system | John B. Roes, Charles J. Ingram | 1996-11-12 |
| 4587434 | Currency note validator | John B. Roes, Billy B. Winkles, Wayne M. Spani, Donald W. Schuster | 1986-05-06 |
| 4535892 | Modularized ticket handling system for use in automatic ticket preparation system | John B. Roes, Robert F. Case, Chandler R. Deming | 1985-08-20 |
| 4449186 | Touch panel passenger self-ticketing system | John B. Roes, Samuel B. Walker, Bruce A. Beach | 1984-05-15 |
| 4381705 | Modularized ticket handling system for use in automatic ticket preparation system | John B. Roes, Robert F. Case, Chandler R. Deming | 1983-05-03 |
| 4357530 | Modularized ticket handling system for use in automatic ticket processing system | John B. Roes, Robert F. Case, Chandler R. Deming | 1982-11-02 |