Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6819219 | Method for biometric-based authentication in wireless communication for access control | Rudolf Maarten Bolle, Sharon L. Nunes, Sharathchandra U. Pankanti, Nalini K. Ratha, Barton A. Smith | 2004-11-16 |
| 6816129 | Multiple display device for use with existing personal computer systems | — | 2004-11-09 |
| 6703570 | Digital pen using ultrasonic tracking | Gregory Fraser Russell, Barton A. Smith | 2004-03-09 |
| 6686579 | Digital pen using speckle tracking | Ronald Fagin, Nimrod Megiddo, Robert J. Morris, Hal J. Rosen, Sridhar Rajagopalan | 2004-02-03 |
| 6686881 | Wireless identification and tracking using magnetic fields | David Lu | 2004-02-03 |