License holder summary

Heinz, Douglas Jon is a Professional Engineer licensed to practice in Wisconsin. This engineer license is not current. The license was granted 08/28/1981 and expired on 07/31/2012.

Wisconsin

Department of Safety and Professional Services

Heinz, Douglas Jon
Professional Engineer
License number
20931-6
Date granted
08/28/1981
Date expires
07/31/2012
Class
Professional Engineer
Status
Expired
wisconsinengineering.org
ID 35539883
LAST UPDATED 2026-05-03 23:48:18 UTC

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