United States Patent and Trademark Office OG Notices: 09 January 2007

                                   Erratum


   In the notice appearing in December 12, 2006 Official Gazette, delete
all reference to Patent No. 7,081,938, Certificate of Correction issue of
November 21, 2006. No certificate of correction was granted for this
patent.


                                   Erratum


   In the notice appearing in December 12, 2006 Official Gazette, delete
all reference to Patent No. 6,290,144, Certificate of Correction issue of
November 21, 2006. No certificate of correction was granted for this
patent.


                                   Erratum


   In the notice appearing in December 5, 2006 Official Gazette, delete all
reference to Patent No. 7,050,503, Certificate of Correction issue of
November 14, 2006. No certificate of correction was granted for this
patent.


                                   Erratum


   In the notice appearing in December 5, 2006 Official Gazette, delete the
duplicate reference to Patent No. 6,887,503, Certificate of Correction
issue of November 14, 2006.


                                   Erratum


   In the notice appearing in December 5, 2006 Official Gazette, delete the
duplicate reference to Patent No. 6,945,531, Certificate of Correction
issue of November 14, 2006.


                                   Erratum


   In the notice appearing in December 5, 2006 Official Gazette, delete the
duplicate reference to Patent No. 6,946,714, Certificate of Correction
issue of November 14, 2006.


                                   Erratum


   In the notice appearing in December 5, 2006 Official Gazette, delete the
duplicate reference to Patent No. 7,011,642, Certificate of Correction
issue of November 14, 2006.


                                   Erratum


   In the notice appearing in December 5, 2006 Official Gazette, delete the
duplicate reference to Patent No. 7,011,716, Certificate of Correction
issue of November 14, 2006.