Issued Patents All Time
Showing 51–75 of 133 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D498658 | Keyless locking device | — | 2004-11-23 |
| D498408 | Keyless locking device | — | 2004-11-16 |
| D498409 | Keyless locking device | — | 2004-11-16 |
| D497792 | Keyless locking device | — | 2004-11-02 |
| 6796065 | Tab clip badge | — | 2004-09-28 |
| 6752430 | Time dependent color-changing security indicator | Robert Holt, Brian DiBianco | 2004-06-22 |
| 6720805 | Output load resistor biased LVDS output driver | — | 2004-04-13 |
| D481067 | Laser printable card badge sheet | — | 2003-10-21 |
| D478122 | Laser printable card badge sheet | — | 2003-08-05 |
| D477359 | Security pass | — | 2003-07-15 |
| 6590435 | Output differential voltage (VOD) restriction circuit for use with LVDS input buffers | Douglas Michael Hannan | 2003-07-08 |
| D476680 | Laser printable card badge sheet | — | 2003-07-01 |
| D474235 | Security pass | — | 2003-05-06 |
| 6513710 | Trade show attendee control, lead collection and event control system | — | 2003-02-04 |
| D468769 | Security pass | — | 2003-01-14 |
| D467965 | Security pass | — | 2002-12-31 |
| D467272 | Security pass | — | 2002-12-17 |
| D467269 | Laser printable card badge sheet | — | 2002-12-17 |
| D467271 | Security pass | — | 2002-12-17 |
| D466929 | Security pass | — | 2002-12-10 |
| 6466888 | Neural network system for estimation of aircraft flight data | Kelly McCool | 2002-10-15 |
| 6452873 | Visually changing paper time indicator employing controllable barrier | Robert Holt | 2002-09-17 |
| 6446865 | Reflective badge security identification system | Robert Holt | 2002-09-10 |
| D460783 | Laser printable card badge sheet | — | 2002-07-23 |
| 6295252 | Fixating image in migrating dye indicator | Robert Holt | 2001-09-25 |