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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: 20

Patent #:	4529870	Issue Dt:	07/16/1985	Application #:	06392271	Filing Dt:	06/25/1982
Title:	CRYPTOGRAPHIC IDENTIFICATION, FINANCIAL TRANSACTION, & CREDENTIAL DEVICE

Patent #:	4759063	Issue Dt:	07/19/1988	Application #:	06524896	Filing Dt:	08/22/1983
Title:	BLIND SIGNATURE SYSTEMS

Patent #:	4759064	Issue Dt:	07/19/1988	Application #:	06784999	Filing Dt:	10/07/1985
Title:	BLIND UNANTICIPATED SIGNATURE SYSTEMS

Patent #:	4947430	Issue Dt:	08/07/1990	Application #:	07123703	Filing Dt:	11/23/1987
Title:	UNDENIABLE SIGNATURE SYSTEMS

Patent #:	4926480	Issue Dt:	05/15/1990	Application #:	07198315	Filing Dt:	05/24/1988
Title:	CARD-COMPUTER MODERATED SYSTEMS

Patent #:	4949380	Issue Dt:	08/14/1990	Application #:	07260053	Filing Dt:	10/20/1988
Title:	RETURNED-VALUE BLIND SIGNATURE SYSTEMS

Patent #:	4991210	Issue Dt:	02/05/1991	Application #:	07347303	Filing Dt:	05/04/1989
Title:	UNPREDICTABLE BLIND SIGNATURE SYSTEMS

Patent #:	4996711	Issue Dt:	02/26/1991	Application #:	07368677	Filing Dt:	06/21/1989
Title:	SELECTED-EXPONENT SIGNATURE SYSTEMS

Patent #:	4914698	Issue Dt:	04/03/1990	Application #:	07384092	Filing Dt:	07/24/1989
Title:	ONE-SHOW BLIND SIGNATURE SYSTEMS

Patent #:	4987593	Issue Dt:	01/22/1991	Application #:	07504878	Filing Dt:	04/05/1990
Title:	ONE-SHOW BLIND SIGNATURE SYSTEMS

Patent #:	5131039	Issue Dt:	07/14/1992	Application #:	07609519	Filing Dt:	11/05/1990
Title:	OPTIONALLY MODERATED TRANSACTION SYSTEMS

Patent #:	5276736	Issue Dt:	01/04/1994	Application #:	07912193	Filing Dt:	07/13/1992
Title:	OPTIONALLY MODERATED TRANSACTION SYSTEMS

Patent #:	5373558	Issue Dt:	12/13/1994	Application #:	08066669	Filing Dt:	05/25/1993
Title:	DESINATED-CONFIRMER SIGNATURE SYSTEMS

Patent #:	5434919	Issue Dt:	07/18/1995	Application #:	08179962	Filing Dt:	01/11/1994
Title:	COMPACT ENDORSEMENT SIGNATURE SYSTEMS

Patent #:	5712913	Issue Dt:	01/27/1998	Application #:	08193500	Filing Dt:	02/08/1994
Title:	LIMITED-TRACEABILITY SYSTEMS

Patent #:	5493614	Issue Dt:	02/20/1996	Application #:	08237098	Filing Dt:	05/03/1994
Title:	PRIVATE SIGNATURE AND PROOF SYSTEMS

Patent #:	5956400	Issue Dt:	09/21/1999	Application #:	08684263	Filing Dt:	07/19/1996
Title:	PARTITIONED INFORMATION STORAGE SYSTEMS WITH CONTROLLED RETRIEVAL

Patent #:	6434238	Issue Dt:	08/13/2002	Application #:	08909480	Filing Dt:	08/11/1997
Title:	MULTI-PURPOSE TRANSACTION CARD SYSTEM

Patent #:	5781631	Issue Dt:	07/14/1998	Application #:	08910123	Filing Dt:	08/12/1997
Title:	LIMITED-TRACEABILITY SYSTEMS

Patent #:	5878140	Issue Dt:	03/02/1999	Application #:	08944637	Filing Dt:	10/06/1997
Title:	LIMITED-TRACEABILITY SYSTEMS

Assignor

Exec Dt:

06/25/2001

Assignee

SUITE 105

19015 NORTH CREEK PKWY.

BOTHELL, WASHINGTON 98011

Correspondence name and address
	ECASH TECHNOLOGIES, INC.
	ANDREW HARING
	19015 NORTH CREEK PKWY.
	SUITE 105
	BOTHELL, WA 98011

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