Granted Patent
Utility
US 6,582,467 · App. 10/003,727
Expandable fusion cage
Inventors:
George P. Teitelbaum, Samuel M. Shaolian, To V. Pham, Thanh Van Nguyen
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: Oct 31, 2001
Inventors
George P. Teitelbaum
Samuel M. Shaolian
To V. Pham
Thanh Van Nguyen
Assignee (at issue)
Vertelink Corporation
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.