John Stewart Lang
John Stewart Lang's California Chemical Engineer stamp
Watermarked specimen
This downloadable California Chemical Engineer stamp specimen was generated for John Stewart Lang from the public license details in this directory listing, including license number 3931. The preview is watermarked and does not prove that John Stewart Lang approved or sealed a document.
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John Stewart Lang is a Chemical Engineer licensed to practice in California. The credential is registered under license number 3931 and is currently active. It has been on record since 1982. Licensure is issued and verifiable through the California Board for Professional Engineers, Land Surveyors, and Geologists.