Washington
Department of Licensing
HELSBY, DAVID THOMAS
Professional Engineer - Electrical
License number
20209
Date granted
02/19/1982
Date expires
11/09/2015
Class
Professional Engineer - Electrical
Status
Active
Address
Mercer Island WA 98040-2134
walicensing.org
ID 2370182
LAST UPDATED 2026-04-03 06:52:53 UTC
LAST UPDATED 2026-04-03 06:52:53 UTC
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