DO
D Terrence O'brien
Sequim, CA
Mechanical Engineer
Verified Active
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About
D Terrence O'brien holds a Mechanical Engineer license in California. The credential is registered under license number 18813 and is currently active. It has been on record since 1978. Licensure is issued and verifiable through the California Board for Professional Engineers, Land Surveyors, and Geologists.
License Verification
License #
18813
Status
Active
State
CA
Expires
Sep 30, 2026
Board
California Board for Professional Engineers, Land Surveyors, and Geologists