RJ

Robert Andre Jefferies

📍 Lumby, CA: #1 of 5 inventorsTop 20%
Overall (All Time): #3,617,118 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6071204 Sprocket with replaceable wear-absorbing inserts Gary Seabrook 2000-06-06