Wisconsin
Department of Safety and Professional Services
Schaefer, David J
Professional Engineer
License number
26617-6
Date granted
10/20/1989
Date expires
07/31/2014
Class
Professional Engineer
Status
wisconsinengineering.org
ID 12590836
LAST UPDATED 2026-07-10 11:17:16 UTC
LAST UPDATED 2026-07-10 11:17:16 UTC
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