Oregon
Board of Licensing
MICHAEL DUANE COSTIN
Advisory Council On Hearing Aids - Hearing Aid Specialist, Permanent
License number
632995
Date granted
11/30/1996
Date expires
11/30/1997
Class
Advisory Council On Hearing Aids - Hearing Aid Specialist, Permanent
Status
Expired
Address
oregonlicensing.com
ID 34987678
LAST UPDATED 2026-05-04 15:58:53 UTC
LAST UPDATED 2026-05-04 15:58:53 UTC