Granted Patent
Utility
US 6,488,713 · App. 09/842,499
Hip joint prosthesis with integral bearing extraction member
Inventor:
Troy W. Hershberger
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: Apr 25, 2001
Inventor
Troy W. Hershberger
Assignee (at issue)
Biomet Limited
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.