Wisconsin
Department of Safety and Professional Services
Osterkorn, Siegfried G
Professional Engineer
License number
9719-6
Date granted
09/22/1966
Date expires
07/31/1984
Class
Professional Engineer
Status
wisconsinengineering.org
ID 12572358
LAST UPDATED 2026-06-24 09:07:43 UTC
LAST UPDATED 2026-06-24 09:07:43 UTC
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