Granted Patent
Utility
US 6,582,437 · App. 09/790,926
Devices and methods for implanting fusion cages
Inventors:
John D. Dorchak, Eddie F. Ray, III, John L. White
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: Feb 22, 2001
Inventors
John D. Dorchak
Eddie F. Ray, III
John L. White
Assignee (at issue)
SDGI, LLC
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.