Wisconsin
Department of Safety and Professional Services
O'Brien, Dixon E
Professional Engineer
License number
28681-6
Date granted
06/12/1992
Date expires
07/31/2016
Class
Professional Engineer
Status
Active
wisconsinengineering.org
ID 35547602
LAST UPDATED 2026-05-11 11:53:12 UTC
LAST UPDATED 2026-05-11 11:53:12 UTC
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