Granted Patent
Utility
US 6,312,409 · App. 09/331,648
Device for generating a pulsatile fluid drug flow
Inventor:
Joseph Gross
Patented Case
View Patent ↗
Granted: Nov 6, 2001
Filed: Sep 7, 1999
Inventor
Joseph Gross
Assignee (at issue)
ELAN CORPORATION PLC
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.