Richard A Duff Sr
Richard A Duff Sr's Illinois Professional Engineer stamp
Watermarked specimen
This downloadable Illinois Professional Engineer stamp specimen was generated for Richard A Duff Sr from the public license details in this directory listing, including license number 062023662. The preview is watermarked and does not prove that Richard A Duff Sr approved or sealed a document.
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Richard A Duff Sr holds a Professional Engineer license in Illinois. The credential is registered under license number 062023662 and is currently active. It has been on record since 1997. Licensure is issued and verifiable through the Illinois Department of Financial and Professional Regulation - Design Professionals.