Granted Patent
Utility
US 6,424,696 · App. 09/710,294
X-ray catheter using a step-up transformer
Inventor:
Yem Chin
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Nov 10, 2000
Inventor
Yem Chin
Assignee (at issue)
Scimed Life Systems, Inc.
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.