Granted Patent
Utility
US 6,409,721 · App. 09/523,540
Process for forming an occlusion in a body cavity
Inventors:
E. Thomas Wheelock, Erik T. Engelson, Harold Carrison
Patented Case
View Patent ↗
Granted: Jun 25, 2002
Filed: Mar 10, 2000
Inventors
E. Thomas Wheelock
Erik T. Engelson
Harold Carrison
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.