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Derek A. Bish

📍 Dronfield, GB: #8 of 17 inventorsTop 50%
Overall (All Time): #4,002,244 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4612968 Method of casting using expendable patterns Michael C. Ashton, Stephen G. Sharman 1986-09-23