Wisconsin
Department of Safety and Professional Services
Mattert, William P
Private Detective
License number
10728-63
Date granted
02/24/2003
Date expires
08/31/2006
Class
Private Detective
Status
Expired
wisconsinlicensing.org
ID 13220706
LAST UPDATED 2026-04-04 08:36:56 UTC
LAST UPDATED 2026-04-04 08:36:56 UTC
This website is unaffiliated with the Department of Safety and Professional Services. Please verify all information directly with the relevant official government authority.