Granted Patent
Utility
US 4,808,167 · App. 07/004,352
Medication infusion system with disposable pump/battery cassette
Inventors:
Alfred E. Mann, Joseph H. Schulman
Patented Case
View Patent ↗
Granted: Feb 28, 1989
Filed: Jan 16, 1987
Inventors
Alfred E. Mann
Joseph H. Schulman
Assignee (at issue)
Pacesetter Infusion, Ltd.
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.