Granted Patent
Utility
US 5,314,489 · App. 07/973,198
Hip prosthesis
Inventors:
William H. Hoffman, Richard D. Scott, James A. Rand
Patented Case
View Patent ↗
Granted: May 24, 1994
Filed: Nov 6, 1992
Inventors
William H. Hoffman
Richard D. Scott
James A. Rand
Assignee (at issue)
Johnson & Johnson Orthopaedics, 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.