Granted Patent
Utility
US 5,370,689 · App. 07/919,045
Method of implanting a middle ear prosthesis
Inventor:
Jean-Bernard Causse
Patented Case
View Patent ↗
Granted: Dec 6, 1994
Filed: Jul 23, 1992
Inventor
Jean-Bernard Causse
Assignee (at issue)
Xomed-Treace, 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.