Granted Patent
Utility
US 5,718,712 · App. 08/513,274
Dilatation balloon catheter for endoscopy
Inventors:
Olivier Bonnal, Christian Sainte-Rose
Patented Case
View Patent ↗
Granted: Feb 17, 1998
Filed: Aug 10, 1995
Inventors
Olivier Bonnal
Christian Sainte-Rose
Assignee (at issue)
Elekta AB
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.