Wisconsin
Department of Safety and Professional Services
Hahn, David Charles
Professional Engineer
License number
23928-6
Date granted
09/27/1985
Date expires
07/31/2000
Class
Professional Engineer
Status
Deceased
wisconsinengineering.org
ID 35542867
LAST UPDATED 2026-05-21 15:10:30 UTC
LAST UPDATED 2026-05-21 15:10:30 UTC
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