THE CERTIFICATION MARK, AS USED BY PERSONS AUTHORIZED BY APPLICANT, CERTIFIES THAT THE WOOD HAS BEEN TREATED WITH A SPECIAL WOOD PRESERVATIVE.
No claim is made to the exclusive right to use the words "Wood Protected By" and "Houston, Texas", apart from the mark as shown.
The lining and stippling shown in the mark on the drawing are a feature of the mark and do not indicate color.