Granted Patent
Utility
US 6,146,354 · App. 08/653,447
Asymmetrical multi-lumen apheresis catheter with balanced flow rates
Inventor:
Craig M. Beil
Patented Case
View Patent ↗
Granted: Nov 14, 2000
Filed: May 24, 1996
Inventor
Craig M. Beil
Assignee (at issue)
Horizon Medical Products, 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.