Wisconsin
Department of Safety and Professional Services
Koller, John H
Professional Engineer
License number
17547-6
Date granted
04/05/1978
Date expires
07/31/1984
Class
Professional Engineer
Status
wisconsinengineering.org
ID 12580462
LAST UPDATED 2026-07-02 08:40:19 UTC
LAST UPDATED 2026-07-02 08:40:19 UTC
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