Wisconsin
Department of Safety and Professional Services
Hacker, John Robert
Professional Engineer
License number
22543-6
Date granted
09/16/1983
Date expires
07/31/2014
Class
Professional Engineer
Status
wisconsinengineering.org
ID 12586376
LAST UPDATED 2026-06-26 07:12:42 UTC
LAST UPDATED 2026-06-26 07:12:42 UTC
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