RD

Ralph G. Davenport

📍 Alexandria, VA: #13 of 68 inventorsTop 20%
🗺 Virginia: #268 of 1,348 inventorsTop 20%
Overall (1994): #80,788 of 165,921Top 50%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5375387 Roofing shingle providing simulated slate roof covering 1994-12-27