RB

Ronald Birne-Browne

SI Smith International: 1 patents #390 of 708Top 60%
📍 Calgary, CA: #2,769 of 5,407 inventorsTop 55%
Overall (All Time): #3,437,127 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7152701 Cutting element structure for roller cone bit Richard Butland, John James Herman, Per Ivar Nese, Louis Loiselle, J. Daniel Belnap 2006-12-26