MH

Marwan E. Hattem

📍 Monroe, MI: #133 of 249 inventorsTop 55%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #3,980,596 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4688350 Collapsible revolving door Calvin R. Rushford 1987-08-25