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Martin M. Black

TS The University Of Sheffield: 2 patents #17 of 262Top 7%
Overall (All Time): #2,349,342 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4605407 Heart valve replacements Philip J. Drury, Wendy B. Tindale 1986-08-12
4490859 Artificial heart valves Philip J. Drury 1985-01-01