Granted Patent
Utility
US 4,470,520 · App. 06/476,209
Storage and dispensing of blood gas quality control reagent from a pressurized container
Inventor:
Kevin J. Sullivan
Patented Case
View Patent ↗
Granted: Sep 11, 1984
Filed: Mar 17, 1983
Inventor
Kevin J. Sullivan
Assignee (at issue)
Corning Glass Works
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.