Granted Patent
Utility
US 6,428,541 · App. 09/287,917
Method and instrumentation for vertebral interbody fusion
Inventors:
Lawrence M. Boyd, Eddie F. Ray, III, Bradley T. Estes, Mingyan Liu
Patented Case
View Patent ↗
Granted: Aug 6, 2002
Filed: Apr 7, 1999
Inventors
Lawrence M. Boyd
Eddie F. Ray, III
Bradley T. Estes
Mingyan Liu
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.