BC

Benjamin D. Curtis

📍 Grand Rapids, MI: #21 of 95 inventorsTop 25%
🗺 Michigan: #1,566 of 6,092 inventorsTop 30%
Overall (2004): #256,048 of 270,089Top 95%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6835047 Labyrinth seal adapter for marine propeller Charles L. Gerlach 2004-12-28