Granted Patent
Utility
US 5,649,929 · App. 08/500,732
Knee joint flexion-gap distraction device
Inventor:
George Callaway
Patented Case
View Patent ↗
Granted: Jul 22, 1997
Filed: Jul 10, 1995
Inventor
George Callaway
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.