Granted Patent
Utility
US 5,108,398 · App. 07/598,920
Orthopaedic knee fusion apparatus
Inventors:
David A. McQueen, Francis W. Cooke, Dustan Hahn
Patented Case
View Patent ↗
Granted: Apr 28, 1992
Filed: Oct 16, 1990
Inventors
David A. McQueen
Francis W. Cooke
Dustan Hahn
Assignee (at issue)
Orthopaedic Research Institute, 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.