Granted Patent
Utility
US 5,951,603 · App. 08/936,383
Rotatable joint prosthesis with axial securement
Inventors:
Michael J. O'Neil, Arnold Oyola, Edward J. Cheal
Patented Case
View Patent ↗
Granted: Sep 14, 1999
Filed: Sep 25, 1997
Inventors
Michael J. O'Neil
Arnold Oyola
Edward J. Cheal
Assignee (at issue)
Johnson & Johnson Professional, 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.