Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9756517 | Efficient deployment of mobile test units to gather location-dependent radio-frequency data | James V. Steele, Robert Lewis Martin, Manlio Allegra, Mark Reudink | 2017-09-05 |
| 9351171 | Efficient deployment of mobile test units to gather location-dependent radio-frequency data | James V. Steele, Robert Lewis Martin, Manlio Allegra, Mark Reudink | 2016-05-24 |
| 8068855 | Location determination using RF fingerprinting | David Stevenson Spain, Jr. | 2011-11-29 |
| 7753278 | Estimating the location of a wireless terminal based on non-uniform locations | David Stevenson Spain, Jr., Martin Feuerstein | 2010-07-13 |
| 7725111 | Location determination using RF fingerprinting | David Stevenson Spain, Jr. | 2010-05-25 |
| 7257414 | Estimating the Location of a Wireless Terminal Based on Non-Uniform Probabilities of Movement | David Stevenson Spain, Jr. | 2007-08-14 |
| 7167714 | Location determination using RF fingerprints | David Stevenson Spain, Jr. | 2007-01-23 |
| 6782265 | Location determination using RF fingerprinting | Luis Perez-Breva, Chee-Yee Chong, Padmanabha R. Rao, Paolo Siccardo, David Stevenson Spain, Jr. | 2004-08-24 |
| 6393294 | Location determination using RF fingerprinting | Luis Perez-Breva, Chee-Yee Chong, Padmanabha R. Rao, Paolo Siccardo, David Stevenson Spain, Jr. | 2002-05-21 |