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Keith N. Ravenscroft

BL Birchwood Laboratories: 1 patents #1 of 2Top 50%
📍 Orr, MN: #3 of 7 inventorsTop 45%
🗺 Minnesota: #1,405 of 4,663 inventorsTop 35%
Overall (2004): #176,806 of 270,089Top 70%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6695931 Composition and method for metal coloring process William V. Block 2004-02-24