Centrex, Inc. Announces Patent Publication 
10/19/2005 5:10:41 PM

Centrex, Inc. (OTCBB:CNEX) today announced the issuance by the U.S. Patent Office of the patent that covers the single molecule nucleic acid detection technology (SMD) which forms the core of Centrex's planned multi-channel biopathogen detection system. The patent for this unique platform technology is owned by Los Alamos National Laboratory (LANL) and the University of California.