Granted Patent
Utility
US 6,537,495 · App. 09/472,093
Vacuum-assisted venous drainage system with rigid housing and flexible reservoir
Inventors:
Ronald Cambron, Francis Vijay, Richard Knight, Ken Litzie
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: Dec 23, 1999
Inventors
Ronald Cambron
Francis Vijay
Richard Knight
Ken Litzie
Assignee (at issue)
Edwards Lifesciences Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.