PD

Philip J. Drury

TS The University Of Sheffield: 2 patents #17 of 262Top 7%
Overall (All Time): #2,349,343 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 Martin M. Black, Wendy B. Tindale 1986-08-12
4490859 Artificial heart valves Martin M. Black 1985-01-01