New Jersey
Division of Consumer Affairs
JOHN J DUFFY
Professional Engineer
License number
24GE03384100
Date granted
03/13/1989
Date expires
04/30/2014
Class
Professional Engineer
Status
Active
licensingnj.com
ID 8598211
LAST UPDATED 2026-05-05 12:58:13 UTC
LAST UPDATED 2026-05-05 12:58:13 UTC
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