Granted Patent
Utility
US 5,239,999 · App. 07/919,298
Helical endocardial catheter probe
Inventor:
Mir Imran
Patented Case
View Patent ↗
Granted: Aug 31, 1993
Filed: Jul 24, 1992
Inventor
Mir Imran
Assignee (at issue)
Cardiac Pathways Corporation
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.