DB

Donald A. Botbyl

KE Kennametal: 1 patents #9 of 55Top 20%
📍 Greensburg, PA: #8 of 31 inventorsTop 30%
🗺 Pennsylvania: #1,491 of 5,394 inventorsTop 30%
Overall (2003): #235,545 of 273,478Top 90%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6638474 method of making cemented carbide tool Yixiong Liu, George P. Grab, Mark S. Greenfield 2003-10-28