| 7764228 |
Portable position determining device |
Jennifer Durst, Joseph C. McAlexander |
2010-07-27 |
| 7760137 |
Portable position determining device |
Jennifer Martucci, Joseph C. McAlexander |
2010-07-20 |
| 7564405 |
Object locator |
Jennifer Durst, Joseph C. McAlexander |
2009-07-21 |
| 7336227 |
Portable position determining device |
Jennifer Durst, Joseph C. McAlexander |
2008-02-26 |
| 7324044 |
Object locator |
Jennifer Durst, Joseph C. McAlexander |
2008-01-29 |
| 7209075 |
Mobile object locator |
Jennifer Durst, Joseph C. McAlexander |
2007-04-24 |
| 7113126 |
Portable position determining device |
Jennifer Durst, Joseph C. McAlexander |
2006-09-26 |
| 6859171 |
Mobile object locator |
Jennifer Durst, Joseph C. McAlexander |
2005-02-22 |
| 6771213 |
Object locator |
Jennifer Durst, Joseph C. McAlexander |
2004-08-03 |
| 6518919 |
Mobile object locator |
Jennifer Durst, Joseph C. McAlexander |
2003-02-11 |
| 6480147 |
Portable position determining device |
Jennifer Durst, Joseph C. McAlexander |
2002-11-12 |
| 6441778 |
Pet locator |
Jennifer Durst, Joseph C. McAlexander |
2002-08-27 |
| 6421001 |
Object locator |
Jennifer Durst, Joseph C. McAlexander |
2002-07-16 |
| 6236358 |
Mobile object locator |
Jennifer Durst, Joseph C. McAlexander |
2001-05-22 |
| 6172640 |
Pet locator |
Jennifer Durst, Joseph C. McAlexander |
2001-01-09 |
| 5726660 |
Personal data collection and reporting system |
Peter K. Purdy, MICHAEL COCHRAN |
1998-03-10 |
| 4471222 |
Bifunctional optical sensing system |
Robert C. Gibbons |
1984-09-11 |
