Granted Patent
Utility
US 6,007,558 · App. 09/160,384
Removable embolus blood clot filter
Inventors:
Adrian C. Ravenscroft, Stephen J. Kleshinski
Patented Case
View Patent ↗
Granted: Dec 28, 1999
Filed: Sep 25, 1998
Inventors
Adrian C. Ravenscroft
Stephen J. Kleshinski
Assignee (at issue)
Nitinol Medical Technologies, 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.