FM

Frederick E. Marshall

📍 Rochester Hills, MI: #1,048 of 1,754 inventorsTop 60%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #3,861,129 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5154742 Oil mist and smoke collector William J Gault, Donald E. Gault 1992-10-13