Robert S Duffield
Robert S Duffield's Illinois Professional Engineer stamp
Watermarked specimen
This downloadable Illinois Professional Engineer stamp specimen was generated for Robert S Duffield from the public license details in this directory listing, including license number 061013277. The preview is watermarked and does not prove that Robert S Duffield approved or sealed a document.
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Robert S Duffield is a licensed Professional Engineer in Illinois. The credential is registered under license number 061013277 and is currently active. It has been on record since 1976. Licensure is issued and verifiable through the Illinois Department of Financial and Professional Regulation - Design Professionals.