Granted Patent
Utility
US 6,793,798 · App. 10/084,471
Radioactively coated devices
Inventors:
Albert Chan, Stephen M. Oelsner, Thomas J. Simpson
Patented Case
View Patent ↗
Granted: Sep 21, 2004
Filed: Feb 28, 2002
Inventors
Albert Chan
Stephen M. Oelsner
Thomas J. Simpson
Assignee (at issue)
MDS LLC
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.