AM

Andrew R. Marttila

📍 Southfield, MI: #497 of 906 inventorsTop 55%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #3,998,545 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4599863 Compound internal combustion and external combustion engine — 1986-07-15