Wisconsin
Department of Safety and Professional Services
Hassler, John M
Professional Engineer
License number
23261-6
Date granted
09/28/1984
Date expires
07/31/2014
Class
Professional Engineer
Status
wisconsinengineering.org
ID 12587182
LAST UPDATED 2026-07-10 15:58:00 UTC
LAST UPDATED 2026-07-10 15:58:00 UTC
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