Jack J Diederich
Jack J Diederich's Illinois Professional Engineer stamp
Watermarked specimen
This downloadable Illinois Professional Engineer stamp specimen was generated for Jack J Diederich from the public license details in this directory listing, including license number 061041501. The preview is watermarked and does not prove that Jack J Diederich approved or sealed a document.
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Jack J Diederich holds a Professional Engineer license in Illinois. The credential is registered under license number 061041501 and is currently active. It has been on record since 2021. Licensure is issued and verifiable through the Illinois Department of Financial and Professional Regulation - Design Professionals.