Granted Patent
Utility
US 4,747,828 · App. 06/939,549
IV fluid line occlusion detector
Inventor:
Gus G. Tseo
Patented Case
View Patent ↗
Granted: May 31, 1988
Filed: Dec 9, 1986
Inventor
Gus G. Tseo
Assignee (at issue)
Fisher Scientific Company, L.L.C.
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.