Katherine Yechen Hsu
Katherine Yechen Hsu's California Mechanical Engineer stamp
Watermarked specimen
This downloadable California Mechanical Engineer stamp specimen was generated for Katherine Yechen Hsu from the public license details in this directory listing, including license number 42709. The preview is watermarked and does not prove that Katherine Yechen Hsu approved or sealed a document.
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Katherine Yechen Hsu is a Mechanical Engineer licensed to practice in California. The credential is registered under license number 42709 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.