United States Patent and Trademark Office OG Notices: 12 October 2004

                                 Disclaimers

   5,934,909  -  Chi Fai Ho, Union City, Calif.; Peter P. Tong,
Mountain View, Calif. METHODS AND APPARATUS TO ASSESS AND ENHANCE A
STUDENT'S UNDERSTANDING IN A SUBJECT. Patent dated August 10, 1999.
Disclaimer filed June 8, 2004, by the assignee, IpLearn, LLC.

   The term of this patent, subsequent to the term of patent
number 5,779,486, has been disclaimed.

   6,073,222  -  Richard Ohran, Provo, Utah. USING A VIRTUAL DEVICE
TO ACCESS DATA AS IT PREVIOUSLY EXISTED IN A MASS DATA STORAGE SYSTEM.
Patent dated June 6, 2000. Disclaimer filed May 3, 2004, by the
assignee, Vinca Corporation.

   Hereby enters this disclaimer to claims 1-26, of said patent.