Granted Patent
Utility
US 5,935,175 · App. 09/039,033
Acetabular prosthesis with ring lock mechanism
Inventors:
Pierre S. Ostiguy, Robert E. Sommerich
Patented Case
View Patent ↗
Granted: Aug 10, 1999
Filed: Mar 13, 1998
Inventors
Pierre S. Ostiguy
Robert E. Sommerich
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.