Granted Patent
Utility
US 5,187,264 · App. 07/335,606
Technetium chelates to be used for determining the renal function
Inventor:
Alfons Verbruggen
Patented Case
View Patent ↗
Granted: Feb 16, 1993
Filed: Apr 10, 1989
Inventor
Alfons Verbruggen
Assignee (at issue)
MallincKrodt Medical, 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.