John G Haeffner
John G Haeffner's Illinois Structural Engineer stamp
Watermarked specimen
This downloadable Illinois Structural Engineer stamp specimen was generated for John G Haeffner from the public license details in this directory listing, including license number 081000222. The preview is watermarked and does not prove that John G Haeffner approved or sealed a document.
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John G Haeffner is a licensed Structural Engineer in Illinois. The credential is registered under license number 081000222 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.