Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7966034 | Method and apparatus of synchronizing complementary multi-media effects in a wireless communication device | Charles Yates, Robert A. Zak | 2011-06-21 |
| 7613472 | System and method of sharing a contact list among mobile phones | — | 2009-11-03 |
| 7310534 | Location status indicator for mobile phones | — | 2007-12-18 |
| 6311081 | Low power operation in a radiotelephone | Peter B. Holmqvist | 2001-10-30 |
| 6278867 | Methods and systems for frequency generation for wireless devices | Paul W. Dent, Eric A. Shull, Harvey Zien | 2001-08-21 |
| 6256007 | Radio communications devices with backlighting circuits having brownout detection circuits responsive to a current through a light emitting diode | Joel James Walukas | 2001-07-03 |
| 6173163 | Switched sampling systems and methods for monitoring radio transmit power | — | 2001-01-09 |
| 6107985 | Backlighting circuits including brownout detection circuits responsive to a current through at least one light emitting diode and related methods | Joel James Walukas | 2000-08-22 |
| 6072995 | Flexible current control in power amplifiers | Ronald D. Boesch | 2000-06-06 |
| 6014008 | Battery identification system | Patrick D. Hartzell, Brian Miller, Tina M. Lee, Fred P. Nading, Jr. | 2000-01-11 |
| 5912922 | Method and apparatus for modulation differentiation | Christopher R. Koszarsky, Michael E. Nowak | 1999-06-15 |
| 5802114 | Method and apparatus for modulation differentiation | Christopher R. Koszarsky, Michael E. Nowak | 1998-09-01 |