JOHN H MAMMOSER Professional Engineer License verification

Business Entity

ACTIVE

License Type

Professional Engineer

Description

LICENSED PROFESSIONAL ENGINEER

License Number

062058756

License Status

ACTIVE

Business

First Name

JOHN

Middle

Last Name

MAMMOSER

Business Name

JOHN H MAMMOSER

Original Issue Date

01/11/2006

Effective Date

10/20/2025

Expiration Date

11/30/2027

City

GLEN ELLYN

State

Zip

60137

County

DUPAGE

Ever Disciplined

LastModifiedDate

10/20/2025