Maryland
Division of Occupational and Professional Licensing
RALPH THOMAS DEFFENBAUGH
Professional Engineers
License number
18707
Date expires
05/23/2018
Class
Professional Engineers
Status
Address
294 COLONIAL DRIVE
licensingmd.com
ID 45930019
LAST UPDATED 2026-05-16 18:44:07 UTC
LAST UPDATED 2026-05-16 18:44:07 UTC
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