Department of State
Registration Board for Professional Engineers, Land Surveyors and Geologists
HELEN XIAOXIN LITTLETON
Professional Engineer
License number
PE044342E
Date granted
08/05/1993
Date expires
09/30/2017
Class
Professional Engineer
Status
Active
Address
RICHBORO PA 18954
engineeringpa.org
ID 37480697
LAST UPDATED 2026-06-29 14:16:35 UTC
LAST UPDATED 2026-06-29 14:16:35 UTC
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