DH

David Hemsley

AU Autogenics: 2 patents #7 of 11Top 65%
OI Oxford Instruments: 1 patents #5 of 13Top 40%
Overall (All Time): #1,613,600 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6497713 Rotary tissue cutting die David Tompkins, Ernest Lane 2002-12-24
6334873 Heart valve having tissue retention with anchors and an outer sheath Ernest Lane, David Tompkins 2002-01-01
5525904 Determination of rock core characteristics Peter Hanley, Ian Leitch McDougall 1996-06-11