License holder summary

Douglas C Diefenthal is a Architects, Engineers And Land Surveyors - Professional Engineer licensed to practice in Colorado. The address on file for Douglas C Diefenthal is 705 E DEVON, ROSELLE, IL, 60172-0172. This licensed professional license is not current. The license was granted 05/20/1983 and expired on 11/19/1985.

Colorado

Division of Professions and Occupations

Douglas C Diefenthal
Architects, Engineers And Land Surveyors - Professional Engineer
License number
20664
Date granted
05/20/1983
Date expires
11/19/1985
Class
Architects, Engineers And Land Surveyors - Professional Engineer
Status
Expired
Address
705 E DEVON, ROSELLE, IL, 60172-0172
coloradolicensing.org
ID 27090668
LAST UPDATED 2026-05-30 21:05:33 UTC

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