Wisconsin
Department of Safety and Professional Services
Winkler, Ralph A
Professional Engineer
License number
9266-6
Date granted
01/21/1966
Date expires
07/31/1990
Class
Professional Engineer
Status
Deceased
wisconsinengineering.org
ID 35528900
LAST UPDATED 2026-04-23 00:30:13 UTC
LAST UPDATED 2026-04-23 00:30:13 UTC
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