David Stevenson Spain, JR.

Person

Portola Valley, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Wireless location and facial/speaker recognition system
- Patent number 8,155,394
- Issue date Apr 10, 2012
- Polaris Wireless, Inc.
- Manlio Allegra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Estimating the location of a wireless terminal based on calibrated...
- Patent number 8,068,802
- Issue date Nov 29, 2011
- Polaris Wireless, Inc.
- Tarun Kumar Bhattacharya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Location determination using RF fingerprinting
- Patent number 8,068,855
- Issue date Nov 29, 2011
- Polaris Wireless, Inc.
- Robert Morris Dressler
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Estimating the location of a wireless terminal based on the traits...
- Patent number 7,899,467
- Issue date Mar 1, 2011
- Polaris Wireless, Inc.
- Martin Feuerstein
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Computationally-efficient estimation of the location of a wireless...
- Patent number 7,848,762
- Issue date Dec 7, 2010
- Polaris Wireless, Inc.
- Scot Douglas Gordon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Estimating the location of a wireless terminal based on calibrated...
- Patent number 7,796,966
- Issue date Sep 14, 2010
- Polaris Wireless, Inc.
- Tarun Kumar Bhattacharya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Estimating the location of a wireless terminal based on non-uniform...
- Patent number 7,753,278
- Issue date Jul 13, 2010
- Polaris Wireless, Inc.
- David Stevenson Spain, Jr.
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Estimating the location of a wireless terminal based on signal path...
- Patent number 7,734,298
- Issue date Jun 8, 2010
- Polaris Wireless, Inc.
- Tarun Kumar Bhattacharya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Computationally-efficient estimation of the location of a wireless...
- Patent number 7,433,695
- Issue date Oct 7, 2008
- Polaris Wireless, Inc.
- Scot Douglas Gordon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Estimating the location of a mobile unit based on the elimination o...
- Patent number 7,383,051
- Issue date Jun 3, 2008
- Polaris Wireless, Inc.
- David Stevenson Spain, Jr.
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Estimating the Location of a Wireless Terminal Based on Non-Uniform...
- Patent number 7,257,414
- Issue date Aug 14, 2007
- Polaris Wireless, Inc.
- David Stevenson Spain, Jr.
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Location estimation of wireless terminals based on combinations of...
- Patent number 7,233,799
- Issue date Jun 19, 2007
- Polaris Wireless, Inc.
- David Stevenson Spain, Jr.
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Location determination using RF fingerprints
- Patent number 7,167,714
- Issue date Jan 23, 2007
- Polaris Wireless, Inc.
- Robert M. Dressler
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Location estimation of wireless terminals through pattern matching...
- Patent number 7,116,987
- Issue date Oct 3, 2006
- Polaris Wireless, Inc.
- David Stevenson Spain, Jr.
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Estimating the Location of a Wireless Terminal Based on Signal Path...
- Publication number 20120289249
- Publication date Nov 15, 2012
- POLARIS WIRELESS, INC.
- Tarun Kumar Bhattacharya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Estimating the Location of a Wireless Terminal Based on Signal Path...
- Publication number 20120282947
- Publication date Nov 8, 2012
- POLARIS WIRELESS, INC.
- Tarun Kumar Bhattacharya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wireless Location and Facial/Speaker Recognition System
- Publication number 20120014567
- Publication date Jan 19, 2012
- POLARIS WIRELESS, INC.
- Manlio Allegra
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Integrated Wireless Location and Surveillance System
- Publication number 20110298930
- Publication date Dec 8, 2011
- POLARIS WIRELESS, INC.
- Manlio Allegra
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Estimating the Location of a Wireless Terminal Based on Signal Path...
- Publication number 20100245115
- Publication date Sep 30, 2010
- Polaris Wireless, Inc.
- Tarun Kumar Bhattacharya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Location Determination Using RF Fingerprinting
- Publication number 20100227626
- Publication date Sep 9, 2010
- Polaris Wireless, Inc.
- Robert Morris Dressler
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Computationally-Efficient Estimation of the Location of a Wireless...
- Publication number 20080299993
- Publication date Dec 4, 2008
- Polaris Wireless, Inc.
- Scot Douglas Gordon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

David Stevenson Spain, JR.

Person

Patents Grantslast 30 patents

Wireless location and facial/speaker recognition system

Estimating the location of a wireless terminal based on calibrated...

Location determination using RF fingerprinting

Estimating the location of a wireless terminal based on the traits...

Computationally-efficient estimation of the location of a wireless...

Estimating the location of a wireless terminal based on calibrated...

Estimating the location of a wireless terminal based on non-uniform...

Estimating the location of a wireless terminal based on signal path...

Computationally-efficient estimation of the location of a wireless...

Estimating the location of a mobile unit based on the elimination o...

Estimating the Location of a Wireless Terminal Based on Non-Uniform...

Location estimation of wireless terminals based on combinations of...

Location determination using RF fingerprints

Location estimation of wireless terminals through pattern matching...

Patents Applicationslast 30 patents

Estimating the Location of a Wireless Terminal Based on Signal Path...

Estimating the Location of a Wireless Terminal Based on Signal Path...

Wireless Location and Facial/Speaker Recognition System

Integrated Wireless Location and Surveillance System

Estimating the Location of a Wireless Terminal Based on Signal Path...

Location Determination Using RF Fingerprinting

Computationally-Efficient Estimation of the Location of a Wireless...