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William Rowlan Ritchie

📍 Palmerston North City, NZ: #5 of 11 inventorsTop 50%
Overall (2003): #91,464 of 273,478Top 35%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

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