United States Patent and Trademark Office OG Notices: 27 February 2007

                                    Erratum

   In the notice appearing in December 12, 2006 Official Gazette,
delete all reference to Patent No. 6,790,306, Certificate of Correction
issue of November 21, 2006. No certificate of correction was granted
for this patent.


                                    Erratum

   In the notice appearing in January 30, 2007 Official Gazette,
delete all reference to Patent No. 7,306,533, Certificate of Correction
issue of January 9, 2007. No certificate of correction was granted for
this patent.