Granted Patent
Utility
US 6,544,217 · App. 09/494,970
Guidewire-occluded balloon catheter
Inventor:
Joseph Gulachenski
Patented Case
View Patent ↗
Granted: Apr 8, 2003
Filed: Jan 31, 2000
Inventor
Joseph Gulachenski
Assignee (at issue)
Micro Therapeutics
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.