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
LAST UPDATED 2026-03-30 15:20:59 UTC
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