John D. Martens
ActiveMichigan license 6201057824
License
- Licensed by
- Michigan Department of Licensing and Regulatory Affairs
- License number
- 6201057824
- Status
- Active
- First issued
- January 4, 2011
- Expires
- January 4, 2028
- License holder
- John D. Martens
- Entity type
- Individual
Classifications
- Professional Engineer Engineering, Architecture & Surveying