Granted Patent
Utility
US 4,332,246 · App. 06/164,105
Positive displacement intravenous infusion pump device and method
Inventor:
Thomas Thomson
Patented Case
View Patent ↗
Granted: Jun 1, 1982
Filed: Jun 30, 1980
Inventor
Thomas Thomson
Assignee (at issue)
Staodynamics, 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.