Michael Thomas Onnen
Michael Thomas Onnen's California Geotechnical Engineer stamp
Watermarked specimen
This downloadable California Geotechnical Engineer stamp specimen was generated for Michael Thomas Onnen from the public license details in this directory listing, including license number GE 3296. The preview is watermarked and does not prove that Michael Thomas Onnen approved or sealed a document.
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Michael Thomas Onnen holds a Geotechnical Engineer license in California. The credential is registered under license number GE 3296 and is currently active. It has been on record since 2025. Licensure is issued and verifiable through the California Board for Professional Engineers, Land Surveyors, and Geologists.