Department of State
Registration Board for Professional Engineers, Land Surveyors and Geologists
WILLIAM H TRETHEWEY
Professional Engineer
License number
PE013544E
Date granted
03/22/1968
Date expires
11/30/1984
Class
Professional Engineer
Status
Expired
Address
PITTSBURGH PA 15228
engineeringpa.org
ID 37502575
LAST UPDATED 2026-03-23 19:22:27 UTC
LAST UPDATED 2026-03-23 19:22:27 UTC
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