Granted Patent
Utility
US 6,038,468 · App. 09/161,474
Catheter localisation system
Inventor:
James Rex
Patented Case
View Patent ↗
Granted: Mar 14, 2000
Filed: Sep 28, 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.