Massachusetts
Division of Professional Licensure
FREDERIC A. SONNENBERG
Engineer
License number
25571
Date granted
12/17/1971
Date expires
06/30/2014
Class
Engineer
Status
Current
licensingma.org
ID 3385341
LAST UPDATED 2026-04-03 13:09:18 UTC
LAST UPDATED 2026-04-03 13:09:18 UTC
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