Granted Patent
Utility
US 6,503,186 · App. 09/280,097
Radioactive seed with multiple markers and method for using same
Inventor:
L. Michael Cutrer
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: Mar 29, 1999
Inventor
L. Michael Cutrer
Assignee (at issue)
NORTH AMERICAN SCIENTIFIC, 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.