David Stevenson Spain JR.

Person

Portola Valley, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Estimating the location of a wireless terminal in wireless telecomm...
- Patent number 9,844,019
- Issue date Dec 12, 2017
- Polaris Wireless, Inc.
- Tarun Kumar Bhattacharya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Determining a propagation-time adjustment for a wireless coverage a...
- Patent number 9,479,902
- Issue date Oct 25, 2016
- Polaris Wireless, Inc.
- Robert Lewis Martin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Estimating proximity to a mobile station by manipulating an interfe...
- Patent number 9,473,896
- Issue date Oct 18, 2016
- Polaris Wireless, Inc.
- David Stevenson Spain
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Determining a propagation-time adjustment for a wireless coverage a...
- Patent number 9,414,350
- Issue date Aug 9, 2016
- Polaris Wireless, Inc.
- Robert Lewis Martin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Base station timing derived from wireless terminal information
- Patent number 9,408,173
- Issue date Aug 2, 2016
- Polaris Wireless, Inc.
- David Stevenson Spain
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Estimating proximity to a mobile station by manipulating an interfe...
- Patent number 9,408,030
- Issue date Aug 2, 2016
- Polaris Wireless, Inc.
- David Stevenson Spain
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Estimating proximity to a mobile station by manipulating a signal t...
- Patent number 9,402,157
- Issue date Jul 26, 2016
- Polaris Wireless, Inc.
- Jerome Arthur Blaha
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Tracking large numbers of wireless terminals
- Patent number 9,398,402
- Issue date Jul 19, 2016
- Polaris Wireless, Inc.
- Ankit Bansal
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Estimating information about an antenna system, based on propagatio...
- Patent number 9,374,801
- Issue date Jun 21, 2016
- Polaris Wireless, Inc.
- Robert Lewis Martin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Base station timing derived from wireless terminal information
- Patent number 9,301,273
- Issue date Mar 29, 2016
- Polaris Wireless, Inc.
- David Stevenson Spain
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Determining a propagation-time adjustment for a wireless coverage a...
- Patent number 9,220,080
- Issue date Dec 22, 2015
- Polaris Wireless, Inc.
- Robert Lewis Martin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Estimating proximity to a mobile station by manipulating an interfe...
- Patent number 9,173,064
- Issue date Oct 27, 2015
- Polaris Wireless, Inc.
- David Stevenson Spain
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Estimating information about an antenna system, based on propagatio...
- Patent number 9,164,162
- Issue date Oct 20, 2015
- Polaris Wireless, Inc.
- Robert Lewis Martin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Base station timing derived from wireless terminal information
- Patent number 9,088,943
- Issue date Jul 21, 2015
- Polaris Wireless, Inc.
- David Stevenson Spain
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Estimating the location of a wireless terminal in wireless telecomm...
- Patent number 8,838,137
- Issue date Sep 16, 2014
- Polaris Wireless, Inc.
- Tarun Kumar Bhattacharya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Location estimation of wireless terminals through pattern matching...
- Patent number 8,712,428
- Issue date Apr 29, 2014
- Polaris Wireless, Inc.
- David Stevenson Spain
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Estimating the location of a wireless terminal based on signal path...
- Patent number 8,583,141
- Issue date Nov 12, 2013
- Polaris Wireless, Inc.
- Tarun Kumar Bhattacharya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Estimating the location of a wireless terminal based on signal path...
- Patent number 8,571,577
- Issue date Oct 29, 2013
- Polaris Wireless, Inc.
- Tarun Kumar Bhattacharya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Estimating the location of a wireless terminal based on signal path...
- Patent number 8,565,786
- Issue date Oct 22, 2013
- Polaris Wireless, Inc.
- Tarun Kumar Bhattacharya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Location estimation of wireless terminals through pattern matching...
- Patent number 8,406,166
- Issue date Mar 26, 2013
- Polaris Wireless, Inc.
- David Stevenson Spain
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Location determination using RF fingerprinting
- Patent number 7,725,111
- Issue date May 25, 2010
- Polaris Wireless, Inc.
- Robert M. Dressler
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Location estimation of wireless terminals through pattern matching...
- Patent number 7,460,505
- Issue date Dec 2, 2008
- Polaris Wireless, Inc.
- David Stevenson Spain
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Estimating the location of a mobile unit based on the elimination o...
- Patent number 6,944,465
- Issue date Sep 13, 2005
- Polaris Wireless, Inc.
- David Stevenson Spain
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Body motion tracking system
- Patent number 6,784,826
- Issue date Aug 31, 2004
- Tera Research Incorporated
- Ronald J. Kane
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Location determination using RF fingerprinting
- Patent number 6,782,265
- Issue date Aug 24, 2004
- Polaris Wireless, Inc.
- Luis Perez-Breva
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Location determination using RF fingerprinting
- Patent number 6,393,294
- Issue date May 21, 2002
- Polaris Wireless, Inc.
- Luis Perez-Breva
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Estimating The Location of a Wireless Terminal in Wireless Telecomm...
- Publication number 20140066088
- Publication date Mar 6, 2014
- POLARIS WIRELESS, INC.
- Tarun Kumar Bhattacharya
- G01 - MEASURING TESTING
Information Patent Application
Tracking Large Numbers of Wireless Terminals
- Publication number 20130072230
- Publication date Mar 21, 2013
- POLARIS WIRELESS, INC.
- Ankit Bansal
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Estimating the Location of a Wireless Terminal Based on Calibrated...
- Publication number 20100329144
- Publication date Dec 30, 2010
- Polaris Wireless, Inc.
- Tarun Kumar Bhattacharya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Location Estimation of Wireless Terminals Through Pattern Matching...
- Publication number 20080299995
- Publication date Dec 4, 2008
- Polaris Wireless, Inc.
- David Stevenson Spain
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Computationally-Efficient Estimation of the Location of a Wireless...
- Publication number 20080214208
- Publication date Sep 4, 2008
- Polaris Wireless, Inc.
- Scot Douglas Gordon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Location Estimation of Wireless Terminals Based on Combinations of...
- Publication number 20070207816
- Publication date Sep 6, 2007
- Polaris Wireless, Inc.
- David Stevenson Spain
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Location determination using RF fingerprinting
- Publication number 20070026870
- Publication date Feb 1, 2007
- Polaris Wireless, Inc.
- David Stevenson Spain
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Estimating the Location of a Wireless Terminal Based on Non-Uniform...
- Publication number 20060240843
- Publication date Oct 26, 2006
- Polaris Wireless, Inc.
- David Stevenson Spain
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Estimating the Location of a Wireless Terminal Based on the Traits...
- Publication number 20060240845
- Publication date Oct 26, 2006
- Polaris Wireless, Inc.
- Martin Feuerstein
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Estimating the Location of a Wireless Terminal Based on Signal Path...
- Publication number 20060240846
- Publication date Oct 26, 2006
- Polaris Wireless, Inc.
- Tarun Kumar Bhattacharya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Estimating the Location of a Wireless Terminal Based on Non-Uniform...
- Publication number 20060240842
- Publication date Oct 26, 2006
- Polaris Wireless, Inc.
- David Stevenson Spain
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Computationally-Efficient Estimation of the Location of a Wireless...
- Publication number 20060240844
- Publication date Oct 26, 2006
- POLARIS WIRELESS INC.
- Scot Douglas Gordon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Estimating the location of a wireless terminal based on calibrated...
- Publication number 20060211376
- Publication date Sep 21, 2006
- Polaris Wireless, Inc.
- Tarun Kumar Bhattacharya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Location determination using RF fingerprints
- Publication number 20050037776
- Publication date Feb 17, 2005
- Polaris Wireless, Inc.
- Luis Perez-Breva
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Location estimation of wireless terminals through pattern matching...
- Publication number 20050014511
- Publication date Jan 20, 2005
- David Stevenson Spain
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Location estimation of wireless terminals through pattern matching...
- Publication number 20050014518
- Publication date Jan 20, 2005
- David Stevenson Spain
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Location determination using RF fingerprints
- Publication number 20040259575
- Publication date Dec 23, 2004
- Polaris Wireless, Inc.
- Luis Perez-Breva
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Location estimation of wireless terminals based on combinations of...
- Publication number 20040180671
- Publication date Sep 16, 2004
- David Stevenson Spain
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Database for locating wireless terminals based on combinations of s...
- Publication number 20040166877
- Publication date Aug 26, 2004
- David Stevenson Spain
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Location estimation of wireless terminals though pattern matching o...
- Publication number 20040152470
- Publication date Aug 5, 2004
- David Stevenson Spain
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Location determination using RF fingerprinting
- Publication number 20030064735
- Publication date Apr 3, 2003
- David Stevenson Spain
- G01 - MEASURING TESTING
Information Patent Application
Location determination using RF fingerprinting
- Publication number 20030008668
- Publication date Jan 9, 2003
- PPM, Inc.
- Luis Perez-Breva
- G01 - MEASURING TESTING
Information Patent Application
Body motion tracking system
- Publication number 20020145563
- Publication date Oct 10, 2002
- Ronald J. Kane
- G01 - MEASURING TESTING

David Stevenson Spain JR.

Person

Patents Grantslast 30 patents

Estimating the location of a wireless terminal in wireless telecomm...

Determining a propagation-time adjustment for a wireless coverage a...

Estimating proximity to a mobile station by manipulating an interfe...

Determining a propagation-time adjustment for a wireless coverage a...

Base station timing derived from wireless terminal information

Estimating proximity to a mobile station by manipulating an interfe...

Estimating proximity to a mobile station by manipulating a signal t...

Tracking large numbers of wireless terminals

Estimating information about an antenna system, based on propagatio...

Base station timing derived from wireless terminal information

Determining a propagation-time adjustment for a wireless coverage a...

Estimating proximity to a mobile station by manipulating an interfe...

Estimating information about an antenna system, based on propagatio...

Base station timing derived from wireless terminal information

Estimating the location of a wireless terminal in wireless telecomm...

Location estimation of wireless terminals through pattern matching...

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

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

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

Location estimation of wireless terminals through pattern matching...

Location determination using RF fingerprinting

Location estimation of wireless terminals through pattern matching...

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

Body motion tracking system

Location determination using RF fingerprinting

Location determination using RF fingerprinting

Patents Applicationslast 30 patents

Estimating The Location of a Wireless Terminal in Wireless Telecomm...

Tracking Large Numbers of Wireless Terminals

Estimating the Location of a Wireless Terminal Based on Calibrated...

Location Estimation of Wireless Terminals Through Pattern Matching...

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

Location Estimation of Wireless Terminals Based on Combinations of...

Location determination using RF fingerprinting

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

Estimating the Location of a Wireless Terminal Based on the Traits...

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

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

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

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

Location determination using RF fingerprints

Location estimation of wireless terminals through pattern matching...

Location estimation of wireless terminals through pattern matching...

Location determination using RF fingerprints

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

Database for locating wireless terminals based on combinations of s...

Location estimation of wireless terminals though pattern matching o...

Location determination using RF fingerprinting

Location determination using RF fingerprinting

Body motion tracking system