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Donald R. Krull

Caterpillar: 1 patents #110 of 374Top 30%
📍 Chester, IL: #1 of 1 inventorsTop 100%
🗺 Illinois: #1,118 of 4,656 inventorsTop 25%
Overall (1997): #158,143 of 185,788Top 90%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5590629 Spark ignition system of an internal combustion engine George Codina, J. Thomas Vachon 1997-01-07