Granted Patent
Utility
US 5,690,666 · App. 07/978,320
Ultrasoft embolism coils and process for using them
Inventors:
Alejandro Berenstein, Ivan Sepetka
Patented Case
View Patent ↗
Granted: Nov 25, 1997
Filed: Nov 18, 1992
Inventors
Alejandro Berenstein
Ivan Sepetka
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.