Iowa
Professional Licensing Bureau
Doug Hayungs
Mechanical - Master
License number
5643
Date granted
10/03/2014
Date expires
06/30/2017
Class
Mechanical - Master
Status
Active
iowalicenses.org
ID 24114906
LAST UPDATED 2026-07-17 11:58:50 UTC
LAST UPDATED 2026-07-17 11:58:50 UTC
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