Granted Patent
Utility
US 5,370,657 · App. 08/042,424
Recoverable thrombosis filter
Inventor:
Toshiyuki Irie
Patented Case
View Patent ↗
Granted: Dec 6, 1994
Filed: Mar 26, 1993
Inventor
Toshiyuki Irie
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.