Granted Patent
Utility
US 5,772,409 · App. 08/465,729
Drug infusion device with pressure plate
Inventor:
Jay G. Johnson
Patented Case
View Patent ↗
Granted: Jun 30, 1998
Filed: Jun 6, 1995
Inventor
Jay G. Johnson
Assignee (at issue)
SIMS Deltec, 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.