DB

Donald L. Bartley

KE Kennametal: 2 patents #6 of 29Top 25%
📍 Willoughby, OH: #1 of 20 inventorsTop 5%
🗺 Ohio: #248 of 3,574 inventorsTop 7%
Overall (1989): #28,965 of 140,708Top 25%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4840360 Expanding mandrel 1989-06-20
4835878 Stable measuring platform 1989-06-06