DR

Daniel L. Riffe

📍 Los Angeles, CA: #164 of 592 inventorsTop 30%
🗺 California: #8,555 of 28,370 inventorsTop 35%
Overall (2004): #237,139 of 270,089Top 90%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6681614 Apparatus for testing co-efficient of friction of a road surface — 2004-01-27