Minnesota
Department of Labor and Industry
DORFF, MICHAEL R
Boiler - 2 Nd Class B Engineer
License number
2B023482
Date granted
07/24/1989
Date expires
07/31/2015
Class
Boiler - 2 Nd Class B Engineer
Status
Issued
Address
4924 ROMAN RD, COLUMBIA HGTS , MN 55421
mnlicensing.org
ID 21860407
LAST UPDATED 2026-05-26 16:46:26 UTC
LAST UPDATED 2026-05-26 16:46:26 UTC
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