DL

Donald A. Levengood

NU Nupro: 1 patents #15 of 34Top 45%
📍 Chagrin Falls, OH: #260 of 574 inventorsTop 50%
🗺 Ohio: #30,338 of 73,341 inventorsTop 45%
Overall (All Time): #1,939,716 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10317001 Axial swaged fitting Jeffery J. Chenoweth, Vincent P. Traina, Keith D. Kainec, Charles W. Hahl 2019-06-11
4634099 High pressure inverted bellows valve Oliver L. Danko, Carl R. Bork, Jr., William C. Steiss 1987-01-06