Granted Patent
Utility
US 4,583,967 · App. 06/579,347
Telescoping catheter shunt system
Inventor:
Donald L. Harris
Patented Case
View Patent ↗
Granted: Apr 22, 1986
Filed: Feb 13, 1984
Inventor
Donald L. Harris
Assignee (at issue)
CORDIS 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.