License holder summary

John Michael Diffenderfer is a Engineers And Surveyors Board - Pe.Professional Engineer licensed to practice in Ohio. The address on file for John Michael Diffenderfer is East Liverpool, OH. This licensed professional license is not current. The license was granted 01/01/2007 and expired on 12/31/2007.

Ohio

Board of Licensing

John Michael Diffenderfer
Engineers And Surveyors Board - Pe.Professional Engineer
License number
PE.45880
Date granted
01/01/2007
Date expires
12/31/2007
Class
Engineers And Surveyors Board - Pe.Professional Engineer
Status
Inactive
Address
East Liverpool, OH
ohiolicensing.org
ID 28899528
LAST UPDATED 2026-06-15 12:17:01 UTC

This website is unaffiliated with Ohio and its licensing agencies. Please verify all information directly with the relevant official government authority.

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