Minnesota
Department of Labor and Industry
ROCKENBACK, JOHN L
Plumbing - Backflow Prevention Rebuilder
License number
BF059209
Date granted
11/14/1988
Date expires
12/31/2016
Class
Plumbing - Backflow Prevention Rebuilder
Status
Issued
Address
13338 340TH ST, CENTER CITY , MN 55012
mnlicensing.org
ID 22412899
LAST UPDATED 2026-06-15 00:49:12 UTC
LAST UPDATED 2026-06-15 00:49:12 UTC
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