DS

David J. Sparks

CL Castrol Limited: 1 patents #65 of 137Top 50%
📍 Chippenham, GB: #43 of 99 inventorsTop 45%
Overall (All Time): #4,021,938 of 4,157,543Top 100%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4542836 Liquid dispensing system Keith Whitefoot, John S. Knubley 1985-09-24