Wisconsin
Department of Safety and Professional Services
Shaffer, Donn R
Professional Engineer
License number
31772-6
Date granted
09/13/1996
Date expires
07/31/2016
Class
Professional Engineer
Status
Active
wisconsinengineering.org
ID 35550669
LAST UPDATED 2026-06-14 22:48:16 UTC
LAST UPDATED 2026-06-14 22:48:16 UTC
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