Wisconsin
Department of Safety and Professional Services
Mass, Marvin A
Professional Engineer
License number
12001-6
Date granted
09/09/1970
Date expires
07/31/2012
Class
Professional Engineer
Status
Expired
wisconsinengineering.org
ID 35531214
LAST UPDATED 2026-06-06 18:40:09 UTC
LAST UPDATED 2026-06-06 18:40:09 UTC
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