Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7336182 | Wireless tracking system and method with optical tag removal detection | Dyami Caliri, Derek Smith | 2008-02-26 |
| 6813608 | System and method for enhancing user experience in a wide-area facility having a distributed, bounded environment | — | 2004-11-02 |
| 6658267 | Interoperable am/fm headset wireless telephone device | Roger William Berg | 2003-12-02 |
| 6473630 | Method and apparatus for powering a wireless headset used with a personal electronic device | Roger William Berg | 2002-10-29 |
| 6411062 | Quick release battery and clip for portable device and method of implementing same | Roger William Berg | 2002-06-25 |
| 6370401 | Storage case and method for a wireless headset with a microphone suspended between earpieces of the headset | Roger William Berg | 2002-04-09 |
| 6157173 | Circuit and method for sharing current between a portable device and a battery charger | Clayton R. Karmel | 2000-12-05 |
| 6046574 | Battery dropout correction for battery monitoring in mobile unit | Christopher Peter Wieck | 2000-04-04 |
| 5703470 | Battery charger with power dissipation control | Matthew Whiting Taylor | 1997-12-30 |
| 5613229 | Voltage and current mode power regulator | William P. Alberth, Jr., Donald J. Millar | 1997-03-18 |
| 5428820 | Adaptive radio receiver controller method and apparatus | Tomoyuki Okada | 1995-06-27 |