Jacob Michael Ziolkowski
Jacob Michael Ziolkowski's Illinois Professional Engineer stamp
Watermarked specimen
This downloadable Illinois Professional Engineer stamp specimen was generated for Jacob Michael Ziolkowski from the public license details in this directory listing, including license number 061043336. The preview is watermarked and does not prove that Jacob Michael Ziolkowski approved or sealed a document.
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Jacob Michael Ziolkowski holds a Professional Engineer license in Illinois. The credential is registered under license number 061043336 and is currently active. It has been on record since 2025. Licensure is issued and verifiable through the Illinois Department of Financial and Professional Regulation - Design Professionals.