License holder summary

DUFFY, DAVID M is a Boiler - Special Engineer licensed to practice in Minnesota. The address on file for DUFFY, DAVID M is 718 1ST AVE E, SUPERIOR , WI 54880. This licensed professional license is current. The license was granted 03/20/2008 and expired on 03/31/2016.

Minnesota

Department of Labor and Industry

DUFFY, DAVID M
Boiler - Special Engineer
License number
SP077468
Date granted
03/20/2008
Date expires
03/31/2016
Class
Boiler - Special Engineer
Status
Issued
Address
718 1ST AVE E, SUPERIOR , WI 54880
mnlicensing.org
ID 21915174
LAST UPDATED 2026-05-03 10:58:27 UTC

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