Wisconsin
Department of Safety and Professional Services
Koch, Roger C
Professional Engineer
License number
12256-6
Date granted
04/30/1971
Date expires
07/31/2012
Class
Professional Engineer
Status
Expired
wisconsinengineering.org
ID 35531447
LAST UPDATED 2026-05-22 16:43:34 UTC
LAST UPDATED 2026-05-22 16:43:34 UTC
This website is unaffiliated with the Department of Safety and Professional Services. Please verify all information directly with the relevant official government authority.