Granted Patent
Utility
US 6,139,582 · App. 08/975,604
Acetabular cup with bi-directional steps
Inventors:
Alfred F. DeCarlo, Jr., Farid Bruce Khalili
Patented Case
View Patent ↗
Granted: Oct 31, 2000
Filed: Nov 21, 1997
Inventors
Alfred F. DeCarlo, Jr.
Farid Bruce Khalili
Assignee (at issue)
DePuy 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.