Wisconsin
Department of Safety and Professional Services
Koppel, Ernst R
Professional Engineer
License number
1953-6
Date granted
06/09/1944
Date expires
07/31/1992
Class
Professional Engineer
Status
Expired
wisconsinengineering.org
ID 35524770
LAST UPDATED 2026-08-25 08:46:32 UTC
LAST UPDATED 2026-08-25 08:46:32 UTC
This website is unaffiliated with the Department of Safety and Professional Services. Please verify all information directly with the relevant official government authority.