Granted Patent
Utility
US 5,865,720 · App. 08/812,022
Expandable and retrievable radiation delivery system
Inventors:
Roger Hastings, Michael J. Urick
Patented Case
View Patent ↗
Granted: Feb 2, 1999
Filed: Mar 6, 1997
Inventors
Roger Hastings
Michael J. Urick
Assignee (at issue)
Scimed Life Systems, 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.