DK

David J. Kushner

Shell Oil Compny: 1 patents #2,223 of 4,423Top 55%
Chevron: 1 patents #2,615 of 4,788Top 55%
Overall (All Time): #2,131,289 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7482312 Engine oils for racing applications and method of making same Paul Bastien, Peter Sant 2009-01-27
4631139 Corrosion inhibiting metal working fluid James R. Burton 1986-12-23