Granted Patent
Utility
US 5,385,565 · App. 08/148,674
Tool and method for derotating scoliotic spine
Inventor:
R. Charles Ray
Patented Case
View Patent ↗
Granted: Jan 31, 1995
Filed: Nov 3, 1993
Inventor
R. Charles Ray
Assignee (at issue)
Danek Medical, 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.