Granted Patent
Utility
US 6,280,477 · App. 09/148,619
Cement restrictor
Inventors:
Brooke W. Mastrorio, Pierre S. Ostiguy
Patented Case
View Patent ↗
Granted: Aug 28, 2001
Filed: Dec 4, 1998
Inventors
Brooke W. Mastrorio
Pierre S. Ostiguy
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.