Granted Patent
Utility
US 5,913,813 · App. 08/900,021
Double-wall balloon catheter for treatment of proliferative tissue
Inventors:
Jeffery A. Williams, Christopher H. Porter, Jeffrey Williamson, James F. Dempsey, Timothy Patrick, James B. Stubbs
Patented Case
View Patent ↗
Granted: Jun 22, 1999
Filed: Jul 24, 1997
Inventors
Jeffery A. Williams
Christopher H. Porter
Jeffrey Williamson
James F. Dempsey
Timothy Patrick
James B. Stubbs
Assignee (at issue)
Proxima Therapeutics, 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.