Granted Patent
Utility
US 6,790,233 · App. 10/137,108
Radiolucent spinal fusion cage
Inventors:
Darrel S. Brodke, Ashok C. Khandkar, Mahendra S. Rao, Ramaswamy Lakshminarayanan
Patented Case
View Patent ↗
Granted: Sep 14, 2004
Filed: Apr 30, 2002
Inventors
Darrel S. Brodke
Ashok C. Khandkar
Mahendra S. Rao
Ramaswamy Lakshminarayanan
Assignee (at issue)
ARTERICA 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.