License holder summary

HELBERG, DUANE R is a Boiler - 1 St Class B Engineer licensed to practice in Minnesota. The address on file for HELBERG, DUANE R is PO BOX 474, SILVER LAKE , MN 55381. This licensed professional license is current. The license was granted 09/23/2005 and expired on 09/30/2015.

Minnesota

Department of Labor and Industry

HELBERG, DUANE R
Boiler - 1 St Class B Engineer
License number
1B040298
Date granted
09/23/2005
Date expires
09/30/2015
Class
Boiler - 1 St Class B Engineer
Status
Issued
Address
PO BOX 474, SILVER LAKE , MN 55381
mnlicensing.org
ID 21836774
LAST UPDATED 2026-04-04 17:35:06 UTC

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