Granted Patent
Utility
US 5,609,646 · App. 08/296,580
Acetabular cup for a total hip prosthesis
Inventors:
Richard Eddy Field, Peter Nuijten, Neil Rushton
Patented Case
View Patent ↗
Granted: Mar 11, 1997
Filed: Aug 26, 1994
Inventors
Richard Eddy Field
Peter Nuijten
Neil Rushton
Assignee (at issue)
Howmedica International 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.