Granted Patent
Utility
US 6,298,261 · App. 09/192,216
Catheter tracking system
Inventor:
James Rex
Patented Case
View Patent ↗
Granted: Oct 2, 2001
Filed: Nov 16, 1998
Inventor
James Rex
Assignee (at issue)
Roke Manor Research Limited
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.