MicroShield Disclaimer MicroShield is a registered trademark of Yale Security, Inc., an ASSA ABLOY Group company. The Agion antimicrobial is not intended as a substitute for traditional infection control programs such as hand hygiene or use of disinfectants. Coated products must still be cleaned to insure the surfaces will be free of destructive microbes. ASSA ABLOY makes no representations or warranties, express or implied, as to the efficacy of the Agion antimicrobial. A copy of the Agion warranty is available upon request.