Minnesota
Department of Labor and Industry
ROLFZEN, DAVID J
Plumbing - Backflow Prevention Rebuilder
License number
BF059012
Date granted
12/17/2007
Date expires
12/31/2014
Class
Plumbing - Backflow Prevention Rebuilder
Status
Issued
Address
PO BOX 128, NEW MUNICH , MN 56356
mnlicensing.org
ID 22412920
LAST UPDATED 2026-04-10 20:23:37 UTC
LAST UPDATED 2026-04-10 20:23:37 UTC
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