Granted Patent
Utility
US 6,685,695 · App. 10/143,237
Method and apparatus for providing nutrition to intervertebral disc tissue
Inventor:
Bret A. Ferree
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: May 10, 2002
Inventor
Bret A. Ferree
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.