Devries; Ronald A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Devries; Ronald A..The latest application filed is for "oval-shaped cardiac cannula".
- Devries; Ronald A. - Zeeland MI
| Patent | Date |
|---|---|
| Oval-shaped cardiac cannula Grant 8,167,867 - Briscoe , et al. May 1, 2 | 2012-05-01 |
| Oval-shaped cardiac cannula App 20080033372 - Briscoe; Roderick E. ; et al. | 2008-02-07 |
| Oval-shaped cardiac cannula Grant 7,276,055 - DeWindt , et al. October 2, 2 | 2007-10-02 |
| Oval-Shaped Cardiac Cannula App 20070083161 - Briscoe; Roderick E. ; et al. | 2007-04-12 |
| Flexible disc obturator for a cannula assembly Grant 6,645,194 - Briscoe , et al. November 11, 2 | 2003-11-11 |
| Oval-shaped cardiac cannula App 20030191447 - DeWindt, David B. ; et al. | 2003-10-09 |
| Flexible disc obturator for a cannula assembly App 20020045862 - Briscoe, Roderick E. ; et al. | 2002-04-18 |
| Oval-shaped cardiac cannula Grant 6,146,371 - DeWindt , et al. November 14, 2 | 2000-11-14 |
| Oval-shaped cardiac cannula Grant 5,817,071 - Dewindt , et al. October 6, 1 | 1998-10-06 |
| Antegrade-retrograde switch and occluder and system for using the same Grant 5,082,025 - DeVries , et al. January 21, 1 | 1992-01-21 |
| Combined needle protector and guidewire feeder Grant 4,846,804 - Davis , et al. July 11, 1 | 1989-07-11 |
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