Granted Patent
Utility
US 5,160,321 · App. 07/799,563
Balloon catheters
Inventor:
Harvinder Sahota
Patented Case
View Patent ↗
Granted: Nov 3, 1992
Filed: Nov 27, 1991
Inventor
Harvinder Sahota
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.