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Derek R. Bird

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #3,810,348 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5361712 Cultivating apparatus for leveling, cultivating, and resowing lawns or fields Bruce Townsend, Norman C. Goldsack 1994-11-08