OR

Oscar E. Rosaen

📍 Grosse Pointe, MI: #61 of 143 inventorsTop 45%
🗺 Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #2,368,136 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4353337 Rotary engine — 1982-10-12
4202313 Rotary engine — 1980-05-13