Granted Patent
Utility
US 6,669,732 · App. 09/921,082
Spinal disc
Inventors:
Hassan Serhan, James Kuras, Carl McMillin, Maarten Persenaire
Patented Case
View Patent ↗
Granted: Dec 30, 2003
Filed: Aug 2, 2001
Inventors
Hassan Serhan
James Kuras
Carl McMillin
Maarten Persenaire
Assignee (at issue)
DePuy Acromed
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.