Department of State
Registration Board for Professional Engineers, Land Surveyors and Geologists
S D SILLIMAN
Professional Engineer
License number
PE011684E
Date granted
03/25/1966
Date expires
11/30/1974
Class
Professional Engineer
Status
Expired
Address
PITTSBURGH PA 15235
engineeringpa.org
ID 37496234
LAST UPDATED 2026-05-05 08:18:23 UTC
LAST UPDATED 2026-05-05 08:18:23 UTC
This website is unaffiliated with the Registration Board for Professional Engineers, Land Surveyors and Geologists. Please verify all information directly with the relevant official government authority.