Granted Patent
Utility
US 5,755,809 · App. 08/717,204
Femoral head core channel filling prothesis
Inventors:
Robert C. Cohen, Michael J. Christie
Patented Case
View Patent ↗
Granted: May 26, 1998
Filed: Sep 20, 1996
Inventors
Robert C. Cohen
Michael J. Christie
Assignee (at issue)
Implex Corporation
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.