Granted Patent
Utility
US 6,015,541 · App. 08/962,819
Radioactive embolizing compositions
Inventors:
Richard J. Greff, George Wallace
Patented Case
View Patent ↗
Granted: Jan 18, 2000
Filed: Nov 3, 1997
Inventors
Richard J. Greff
George Wallace
Assignee (at issue)
Micro Therapeutics
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.