John Patrick Duffy
John Patrick Duffy's California Mechanical Engineer stamp
Watermarked specimen
This downloadable California Mechanical Engineer stamp specimen was generated for John Patrick Duffy from the public license details in this directory listing, including license number M 17212. The preview is watermarked and does not prove that John Patrick Duffy approved or sealed a document.
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John Patrick Duffy holds a Mechanical Engineer license in California. The credential is registered under license number M 17212 and is currently active. It has been on record since 1975. Licensure is issued and verifiable through the California Board for Professional Engineers, Land Surveyors, and Geologists.