Wisconsin
Department of Safety and Professional Services
Hatch, Arnold R
Professional Engineer
License number
6864-6
Date granted
03/13/1959
Date expires
07/31/1984
Class
Professional Engineer
Status
wisconsinengineering.org
ID 12569989
LAST UPDATED 2026-07-19 04:16:09 UTC
LAST UPDATED 2026-07-19 04:16:09 UTC
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