License holder summary

GRINDSTAFF, DUANE J is a Professional Engineer - Aeronautical licensed to practice in Washington. The address on file for GRINDSTAFF, DUANE J is LYNNWOOD WA 98036. This licensed professional license is not current. The license was granted 03/11/1983 and expired on 10/17/1990.

Washington

Department of Licensing

GRINDSTAFF, DUANE J
Professional Engineer - Aeronautical
License number
21101
Date granted
03/11/1983
Date expires
10/17/1990
Class
Professional Engineer - Aeronautical
Status
Delinquent
Address
LYNNWOOD WA 98036
walicensing.org
ID 2288527
LAST UPDATED 2026-04-27 04:08:29 UTC

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