Granted Patent
Utility
US 6,146,423 · App. 09/239,467
Patella replacement apparatus
Inventors:
Robert C. Cohen, Rafail Zubok, Christopher G. Sidebotham
Patented Case
View Patent ↗
Granted: Nov 14, 2000
Filed: Jan 28, 1999
Inventors
Robert C. Cohen
Rafail Zubok
Christopher G. Sidebotham
Assignee (at issue)
Implex Corporation
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.