Granted Patent
Utility
US 5,690,667 · App. 08/721,351
Vasoocclusion coil having a polymer tip
Inventor:
Son Gia
Patented Case
View Patent ↗
Granted: Nov 25, 1997
Filed: Sep 26, 1996
Inventor
Son Gia
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.