Granted Patent
Utility
US 5,643,254 · App. 08/561,169
Endovascular embolic device detachment detection method
Inventors:
Ronald W. Scheldrup, Laurent Schaller
Patented Case
View Patent ↗
Granted: Jul 1, 1997
Filed: Nov 21, 1995
Inventors
Ronald W. Scheldrup
Laurent Schaller
Assignee (at issue)
Target Therapeutics, 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.