Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8457672 | Dynamic real-time tiered client access | David L. Brown | 2013-06-04 |
| 8433919 | Two-level authentication for secure transactions | John J. Giobbi, David L. Brown | 2013-04-30 |
| 8412949 | Personal digital key initialization and registration for secure transactions | John J. Giobbi, David L. Brown | 2013-04-02 |
| 8340672 | Wireless network synchronization of cells and client devices on a network | David L. Brown | 2012-12-25 |
| 8219129 | Dynamic real-time tiered client access | David L. Brown | 2012-07-10 |
| 8036152 | Integrated power management of a client device via system time slot assignment | David L. Brown | 2011-10-11 |
| 7904718 | Personal digital key differentiation for secure transactions | John J. Giobbi, David L. Brown | 2011-03-08 |
| 7883003 | Tracking system using personal digital key groups | John J. Gobbi, Bryan Kelly, David L. Brown | 2011-02-08 |
| 6785474 | Method and apparatus for suppressing relative intensity noise (RIN) and improving transmission signals | Michael R. Keur, Kevin L. Sweeney | 2004-08-31 |