FR

Frederick W. Roberts

📍 Pittsburgh, PA: #97 of 404 inventorsTop 25%
🗺 Pennsylvania: #1,500 of 5,512 inventorsTop 30%
Overall (2002): #219,350 of 266,432Top 85%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6386159 Valve timing system — 2002-05-14