Halpern; John W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Halpern; John W..The latest application filed is for "data encryption system for internet communication".
- Halpern; John W. - Bucharest RO
- Halpern; John W. - Ingram Crescent GB
- Halpern, John W. - Ingram Crescent West GB
- Halpern; John W. - West Hove BN3 5NU East Sussex GB
- Halpern; John W. - London GB2
- Halpern; John W. - Potomac MD
- Halpern; John W. - Novato CA
- Halpern; John W. - London N.W.3 GB2
- Halpern; John W. - Berkeley CA
| Patent | Date |
|---|---|
| Mobile phone communications system with increased functionality Grant 7,251,501 - Halpern July 31, 2 | 2007-07-31 |
| Data encryption system for internet communication App 20060239453 - Halpern; John W. | 2006-10-26 |
| Mobile phone communications system with increased functionality App 20040077372 - Halpern, John W. | 2004-04-22 |
| Electronic travel pass App 20020019807 - Halpern, John W. | 2002-02-14 |
| Universal card interface module for contact free cards Grant 6,173,897 - Halpern January 16, 2 | 2001-01-16 |
| Electronic money purse and fund transfer system Grant 4,906,828 - Halpern March 6, 1 | 1990-03-06 |
| Electronic purse-device Grant 4,877,950 - Halpern * October 31, 1 | 1989-10-31 |
| Portable data carrier incorporating manually presettable processing modes Grant 4,859,837 - Halpern August 22, 1 | 1989-08-22 |
| Proximity data transfer system Grant 4,661,691 - Halpern April 28, 1 | 1987-04-28 |
| Security arrangements in data transfer equipment Grant 4,499,556 - Halpern February 12, 1 | 1985-02-12 |
| Proximity data transfer system with tamper proof portable data token Grant 3,906,460 - Halpern September 16, 1 | 1975-09-16 |
| Fee charging system Grant 3,870,866 - Halpern March 11, 1 | 1975-03-11 |
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