Department of State
Registration Board for Professional Engineers, Land Surveyors and Geologists
YEN-TUNG L YEN
Professional Engineer
License number
PE041472E
Date granted
03/11/1991
Date expires
09/30/2011
Class
Professional Engineer
Status
Inactive
Address
LANSDALE PA 19446
engineeringpa.org
ID 37508701
LAST UPDATED 2026-03-09 15:06:47 UTC
LAST UPDATED 2026-03-09 15:06:47 UTC
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