Iowa
Professional Licensing Bureau
Douglas E Johnston
Hydronics - Journeyperson
License number
13103
Date granted
12/16/2011
Date expires
12/16/2014
Class
Hydronics - Journeyperson
Status
Active
iowalicenses.org
ID 24101656
LAST UPDATED 2026-05-01 18:44:41 UTC
LAST UPDATED 2026-05-01 18:44:41 UTC
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