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Keith N. Ravenscroft

BL Birchwood Laboratories: 1 patents #2 of 3Top 70%
📍 Orr, MN: #1 of 4 inventorsTop 25%
🗺 Minnesota: #1,168 of 4,231 inventorsTop 30%
Overall (2005): #159,057 of 245,428Top 65%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6899769 Composition and method for metal coloring process William V. Block 2005-05-31