Granted Patent
Utility
US 6,641,673 · App. 09/742,837
Fluid injector for and method of prolonged delivery and distribution of reagents into plasma
Inventor:
Barry L. Yang
Patented Case
View Patent ↗
Granted: Nov 4, 2003
Filed: Dec 20, 2000
Inventor
Barry L. Yang
Assignee (at issue)
General Electric Company
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.