Granted Patent
Utility
US 6,277,149 · App. 09/328,242
Ramp-shaped intervertebral implant
Inventors:
John W. Boyle, Lawrence A. Shimp, David R. Kaes, John W. Morris, Erik O. Martz, Todd M. Boyce, Mark Daugherty
Patented Case
View Patent ↗
Granted: Aug 21, 2001
Filed: Jun 8, 1999
Inventors
John W. Boyle
Lawrence A. Shimp
David R. Kaes
John W. Morris
Erik O. Martz
Todd M. Boyce
Mark Daugherty
Assignee (at issue)
Osteotech, 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.