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Patent Assignment Details

NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Total properties: 26

Patent #:	4970439	Issue Dt:	11/13/1990	Application #:	07345001	Filing Dt:	04/28/1989
Title:	POWER SUPPLY CIRCUIT FOR A GASEOUS DISCHARGE TUBE DEVICE

Patent #:	5153525	Issue Dt:	10/06/1992	Application #:	07716010	Filing Dt:	06/17/1991
Title:	VEHICLE DETECTOR WITH SERIES RESONANT OSCILLATOR DRIVE

Patent #:	5281965	Issue Dt:	01/25/1994	Application #:	07716082	Filing Dt:	06/17/1991
Title:	VEHICLE DETECTOR MEASUREMENT FRAME SEGMENTATION

Patent #:	5278555	Issue Dt:	01/11/1994	Application #:	07716649	Filing Dt:	06/17/1991
Title:	SINGLE INDUCTIVE SENSOR VEHICLE DETECTION AND SPEED MEASUREMENT

Patent #:	5187476	Issue Dt:	02/16/1993	Application #:	07720894	Filing Dt:	06/24/1991
Title:	OPTICAL TRAFFIC PREEMPTION DETECTOR CIRCUITRY

Patent #:	5202683	Issue Dt:	04/13/1993	Application #:	07721095	Filing Dt:	06/24/1991
Title:	OPTICAL TRAFFIC PREEMPTION DETECTOR

Patent #:	D338165	Issue Dt:	08/10/1993	Application #:	07756082	Filing Dt:	09/06/1991
Title:	EMERGENCY VEHICLE TRAFFIC CONTROL TRANSMITTER

Patent #:	5187373	Issue Dt:	02/16/1993	Application #:	07756321	Filing Dt:	09/06/1991
Title:	EMITTER ASSEMBLY FOR USE IN AN OPTICAL TRAFFIC PREEMPTION SYSTEM

Patent #:	5172113	Issue Dt:	12/15/1992	Application #:	07781892	Filing Dt:	10/24/1991
Title:	SYSTEM AND METHOD FOR TRANSMITTING DATA IN AN OPTICAL TRAFFIC PREEMPTION SYSTEM

Patent #:	5508698	Issue Dt:	04/16/1996	Application #:	08099257	Filing Dt:	07/29/1993
Title:	VEHICLE DETECTOR WITH ENVIRONMENTAL ADAPTATION

Patent #:	5523753	Issue Dt:	06/04/1996	Application #:	08304509	Filing Dt:	09/12/1994
Title:	VEHICLE DETECTOR SYSTEM WITH PERIODIC SOURCE FILTERING

Patent #:	5751225	Issue Dt:	05/12/1998	Application #:	08304521	Filing Dt:	09/12/1994
Title:	VEHICLE DETECTOR SYSTEM WITH PRESENCE MODE COUNTING

Patent #:	5734338	Issue Dt:	03/31/1998	Application #:	08351889	Filing Dt:	12/08/1994
Title:	VEHICLE DETECTOR WITH AUTOMATIC SENSITIVITY ADJUSTMENT

Patent #:	5926113	Issue Dt:	07/20/1999	Application #:	08435523	Filing Dt:	05/05/1995
Title:	AUTOMATIC DETERMINATION OF TRAFFIC SIGNAL PREEMPTION USING DIFFERENTIAL GPS

Patent #:	5539398	Issue Dt:	07/23/1996	Application #:	08515933	Filing Dt:	08/16/1995
Title:	GPS-BASED TRAFFIC CONTROL PREEMPTION SYSTEM

Patent #:	5602739	Issue Dt:	02/11/1997	Application #:	08562352	Filing Dt:	11/22/1995
Title:	VEHICLE TRACKING SYSTEM INCORPORATING TRAFFIC SIGNAL PREEMPTION

Patent #:	5850192	Issue Dt:	12/15/1998	Application #:	08777298	Filing Dt:	12/27/1996
Title:	APPARATUS FOR SENSING VEHICLES

Patent #:	5986575	Issue Dt:	11/16/1999	Application #:	08893232	Filing Dt:	07/15/1997
Title:	AUTOMATIC DETERMINATION OF TRAFFIC SIGNAL PREEMPTION USING GPS, APPARATUS AND METHOD

Patent #:	6243026	Issue Dt:	06/05/2001	Application #:	09432693	Filing Dt:	11/03/1999
Title:	AUTOMATIC DETERMINATION OF TRAFFIC SIGNAL PREEMPTION USING GPS, APPARATUS AND METHOD

Patent #:	7307547	Issue Dt:	12/11/2007	Application #:	11142013	Filing Dt:	06/01/2005
Publication #:	US20060273924	Pub Dt:	12/07/2006
Title:	TRAFFIC PREEMPTION SYSTEM SIGNAL VALIDATION METHOD

Patent #:	7333028	Issue Dt:	02/19/2008	Application #:	11142019	Filing Dt:	06/01/2005
Publication #:	US20060273925	Pub Dt:	12/07/2006
Title:	TRAFFIC PREEMPTION SYSTEM COMMUNICATION METHOD

Patent #:	7573399	Issue Dt:	08/11/2009	Application #:	11142021	Filing Dt:	06/01/2005
Publication #:	US20060273926	Pub Dt:	12/07/2006
Title:	MULTIMODE TRAFFIC PRIORITY/PREEMPTION VEHICLE ARRANGEMENT

Patent #:	7417560	Issue Dt:	08/26/2008	Application #:	11142026	Filing Dt:	06/01/2005
Publication #:	US20060273923	Pub Dt:	12/07/2006
Title:	MULTIMODE TRAFFIC PRIORITY/PREEMPTION INTERSECTION ARRANGEMENT

Patent #:	7432826	Issue Dt:	10/07/2008	Application #:	11154347	Filing Dt:	06/16/2005
Publication #:	US20070008173	Pub Dt:	01/11/2007
Title:	TRAFFIC PREEMPTION SYSTEM WITH HEADWAY MANAGEMENT

Patent #:	7515064	Issue Dt:	04/07/2009	Application #:	11154348	Filing Dt:	06/16/2005
Publication #:	US20070008174	Pub Dt:	01/11/2007
Title:	REMOTE ACTIVATION OF A VEHICLE PRIORITY SYSTEM

Assignor

Exec Dt:

06/28/2007

Assignee

500 WEST MADISON STREET, SUITE 1710

CHICAGO, ILLINOIS 60661

Correspondence name and address
	MAGDALINI RIZAKOS C/O LATHAM & WATKINS
	233 SOUTH WACKER DRIVE, SUITE 5800
	CHICAGO, IL 60606

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