United States Patent and Trademark Office OG Notices: 23 Oct 2007

                                 Disclaimers

   5,490,363-Michael E. Woolford, Lake Elmo, MN (US). COMPOSITE MASONRY
BLOCK. Patent dated February 13, 1996. Disclaimer filed August 18, 2006, by
the assignee, Anchor Wall Systems, Inc.

   Hereby enters this disclaimer to claims 4, 5, 9, 13, 14, 15, 16, 17, 18,
19, 20, 21, 23, 24, 25, 26 and 27 of said patent.

   6,641,334 B2-Michael E. Woolford, Lake Elmo, MN (US). COMPOSITE
MASONRY BLOCK. Patent dated November 4, 2003. Disclaimer filed March 28,
2007, by the assignee, Anchor Wall Systems, Inc.

   Hereby enters this disclaimer to claims 1-31 of said patent.

   6,616,382 B2-Michael E. Woolford, Lake Elmo, MN (US); Dick J. Sievert,
New Richmond, WI (US). COMPOSITE MASONRY BLOCK. Patent dated September 9,
2003. Disclaimer filed December 5, 2006, by the assignee, Anchor Wall
Systems, Inc.

   Hereby enters this disclaimer to claims 1-53 of said patent.