Granted Patent
Utility
US 5,246,347 · App. 07/426,988
Infusion device with disposable elements
Inventor:
David L. Davis
Patented Case
View Patent ↗
Granted: Sep 21, 1993
Filed: Oct 25, 1989
Inventor
David L. Davis
Assignee (at issue)
Patients Solutions, 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.