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William Rowlan Ritchie

📍 Palmerston North City, NZ: #84 of 209 inventorsTop 45%
Overall (All Time): #3,527,774 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6644226 Seed sowing apparatus Christopher J. Baker, Craig David Kernohan, David Robinson 2003-11-11