Granted Patent
Utility
US 4,501,300 · App. 06/437,979
Continuous catheter flushing apparatus
Inventor:
John Murphy
Patented Case
View Patent ↗
Granted: Feb 26, 1985
Filed: Nov 1, 1982
Inventor
John Murphy
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.