Wisconsin
Department of Safety and Professional Services
Williamson, Richard F
Professional Engineer
License number
21490-6
Date granted
04/23/1982
Date expires
07/31/2016
Class
Professional Engineer
Status
Active
wisconsinengineering.org
ID 35540441
LAST UPDATED 2026-07-12 08:52:49 UTC
LAST UPDATED 2026-07-12 08:52:49 UTC
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