Maryland
Division of Occupational and Professional Licensing
JOHN CHRISTOPHER HELWIG
Professional Engineers
License number
36735
Date expires
01/15/2017
Class
Professional Engineers
Status
Address
3821 NEWARK ST. NWAPT C441
licensingmd.com
ID 45933596
LAST UPDATED 2026-05-24 12:13:58 UTC
LAST UPDATED 2026-05-24 12:13:58 UTC
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