RD

Ronald A. Devries

ME Medtronic: 6 patents #1,567 of 6,325Top 25%
DL Dlp Limited: 2 patents #18 of 48Top 40%
Overall (All Time): #653,958 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8167867 Oval-shaped cardiac cannula Roderick E. Briscoe, Paul F. Rom, Karyl L. Stapert, David DeWindt, Steven R. Gundry +1 more 2012-05-01
7276055 Oval-shaped cardiac cannula David DeWindt, Steven R. Gundry, William E. Sidor 2007-10-02
6645194 Flexible disc obturator for a cannula assembly Roderick E. Briscoe, Paul F. Rom, Karyl L. Stapert, David DeWindt, Steven R. Gundry +1 more 2003-11-11
6447484 Flexible disc obturator for a cannula assembly Roderick E. Briscoe, Paul F. Rom, Karyl L. Stapert, David DeWindt, Steven R. Gundry +1 more 2002-09-10
6146371 Oval-shaped cardiac cannula David DeWindt, Steven M. Gundry, William E. Sidor 2000-11-14
5817071 Oval-shaped cardiac cannula David DeWindt, Steven M. Gundry, William E. Sidor 1998-10-06
5082025 Antegrade-retrograde switch and occluder and system for using the same James H. DeVries, Michael DeVries, William E. Sidor, Stuart J. Marcadis 1992-01-21
4846804 Combined needle protector and guidewire feeder Richard E. Davis 1989-07-11