Missouri
Division of Professional Registration
Barrett, William A.
Professional Engineer
License number
2009007267
Date granted
03/24/2009
Date expires
12/31/2013
Class
Professional Engineer
Status
Clear
Address
Van Dyken Mechanical, Inc.
licensingmissouri.org
ID 1453957
LAST UPDATED 2026-05-04 11:53:18 UTC
LAST UPDATED 2026-05-04 11:53:18 UTC
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