Granted Patent
Utility
US 6,440,095 · App. 08/850,277
Pump segment having connected parallel branch line
Inventor:
David S. Utterberg
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: May 5, 1997
Inventor
David S. Utterberg
Assignee (at issue)
DSU Medical Corp.
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.