Wisconsin
Department of Safety and Professional Services
Zien, Robert
Professional Engineer
License number
2285-6
Date granted
07/31/1946
Date expires
07/31/1992
Class
Professional Engineer
Status
wisconsinengineering.org
ID 12567763
LAST UPDATED 2026-07-17 20:07:44 UTC
LAST UPDATED 2026-07-17 20:07:44 UTC
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