John Yao
John Yao's California Geotechnical Engineer stamp
Watermarked specimen
This downloadable California Geotechnical Engineer stamp specimen was generated for John Yao from the public license details in this directory listing, including license number 2942. The preview is watermarked and does not prove that John Yao approved or sealed a document.
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John Yao is a licensed Geotechnical Engineer in California. The credential is registered under license number 2942 and is currently active. It has been on record since 2011. Licensure is issued and verifiable through the California Board for Professional Engineers, Land Surveyors, and Geologists.