Granted Patent
Utility
US 4,911,549 · App. 07/177,306
Heparin monitoring system and methodology
Inventor:
Maurice N. Karkar
Patented Case
View Patent ↗
Granted: Mar 27, 1990
Filed: Apr 5, 1988
Inventor
Maurice N. Karkar
Assignee (at issue)
Baxter International 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.