Granted Patent
Utility
US 5,556,390 · App. 08/400,228
Catheter with oval or elliptical lumens
Inventor:
Allen J. Hicks
Patented Case
View Patent ↗
Granted: Sep 17, 1996
Filed: Mar 7, 1995
Inventor
Allen J. Hicks
Assignee (at issue)
QuinTron Instrument Company, 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.