Granted Patent
Utility
US 5,433,710 · App. 08/265,507
Medication infusion pump with fluoropolymer valve seat
Inventors:
William P. VanAntwerp, Virote Indravudh
Patented Case
View Patent ↗
Granted: Jul 18, 1995
Filed: Jun 24, 1994
Inventors
William P. VanAntwerp
Virote Indravudh
Assignee (at issue)
MiniMed, 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.