Wisconsin
Department of Safety and Professional Services
Libby, Don P
Professional Engineer
License number
8843-6
Date granted
04/29/1965
Date expires
07/31/1980
Class
Professional Engineer
Status
wisconsinengineering.org
ID 12571576
LAST UPDATED 2026-07-15 08:09:18 UTC
LAST UPDATED 2026-07-15 08:09:18 UTC
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