Granted Patent
Utility
US 6,071,258 · App. 08/304,725
Perfusion control assembly with improved component visibility and accessibility
Inventors:
William D. Dalke, Gary Gruszecki
Patented Case
View Patent ↗
Granted: Jun 6, 2000
Filed: Sep 12, 1994
Inventors
William D. Dalke
Gary Gruszecki
Assignee (at issue)
COBE Cardiovascular, Inc.
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.