License holder summary

Siegfried, Duane L. is a Professional Engineer licensed to practice in Missouri. The address on file for Siegfried, Duane L. is Horner & Shifrin Inc  63110. This licensed professional license is current. The license was granted 10/01/1998 and expired on 12/31/2014.

Missouri

Division of Professional Registration

Siegfried, Duane L.
Professional Engineer
License number
029768  
Date granted
10/01/1998
Date expires
12/31/2014
Class
Professional Engineer
Status
Clear
Address
Horner & Shifrin Inc 
licensingmissouri.org
ID 1529972
LAST UPDATED 2026-03-30 15:20:59 UTC

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