CB

C. Bruce Blackwell

📍 Carmel, IN: #720 of 1,387 inventorsTop 55%
🗺 Indiana: #13,671 of 33,936 inventorsTop 45%
Overall (All Time): #2,103,379 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7897102 Method of making valve guide by powder metallurgy process Howard Livingston 2011-03-01
7628870 Heat treated valve guide and method of making Howard Livingston 2009-12-08