Granted Patent
Utility
US 6,139,585 · App. 09/038,444
Bioactive ceramic coating and method
Inventor:
Panjian Li
Patented Case
View Patent ↗
Granted: Oct 31, 2000
Filed: Mar 11, 1998
Inventor
Panjian Li
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.