PRE RECORDED CD ROM FEATURING ELECTRONIC

Brand	Owner (click to sort)	Address	Description
PROCD	DATA AXLE, INC.	13155 NOEL ROAD, GALLERIA TOWER THREE SUITE 1750 DALLAS TX 75240	pre-recorded CD-ROM featuring an electronic telephone directory;
THE NATIONAL TELEPHONE DIRECTORY ON CD-ROM	ProCD, Inc.	222 Rosewood Drive Danvers MA 019234510	pre-recorded CD-ROM featuring an electronic telephone directory;TELEPHONE DIRECORY ON CD-ROM;
THE NEW MEDIA TELEPHONE BOOK	ProCD, Inc.	222 Rosewood Drive Danvers MA 019234510	pre-recorded CD-ROM featuring an electronic telephone directory;
	Where the owner name is not linked, that owner no longer owns the brand

Technical Examples

Techniques are disclosed for writing data directly onto a product to record each ownership transfer. As a result, the product itself now carries a traceable, auditable, non-forgeable, non-repudiable proof of ownership (and, optionally, ownership history) that can be used in a variety of ways. This recorded ownership transfer information provides an electronic receipt, which may be used by the present owner to prove his or her ownership. (Optionally, other types of transfers may be recorded in addition to, or instead of, ownership transfers.) A transfer agent or registrar creates a unique transaction identifier to represent the transfer, and preferably creates a cryptographic signature over fields representing the transfer. This information is then recorded in a repository that is external from the product.