JT
John Greenleaf Trinward Jr
South Portland, CA
Control Systems Engineer
Verified Active
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About
John Greenleaf Trinward Jr is a Control Systems Engineer licensed to practice in California. The credential is registered under license number 7561 and is currently active. It has been on record since 2018. Licensure is issued and verifiable through the California Board for Professional Engineers, Land Surveyors, and Geologists.
License Verification
License #
7561
Status
Active
State
CA
Expires
Jun 30, 2026
Board
California Board for Professional Engineers, Land Surveyors, and Geologists